John C. Wingfield

John C. Wingfield's AcademicInfluence.com Rankings

John C. Wingfield

Biology

#2598

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#4100

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Biology

John C. Wingfield's Degrees

PhD Zoology University of California, Berkeley
Bachelors Zoology University of California, Berkeley

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John C. Wingfield's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

The concept of allostasis in biology and biomedicine (2003) (2779)
The "Challenge Hypothesis": Theoretical Implications for Patterns of Testosterone Secretion, Mating Systems, and Breeding Strategies (1990) (2118)
ECOLOGICAL BASES OF HORMONE-BEHAVIOR INTERACTIONS : THE EMERGENCY LIFE HISTORY STAGE (1998) (1261)
The Darwinian concept of stress: benefits of allostasis and costs of allostatic load and the trade-offs in health and disease (2005) (1071)
Reproduction and Resistance to Stress: When and How (2003) (1027)
Actions of glucocorticoids at a seasonal baseline as compared to stress-related levels in the regulation of periodic life processes. (2006) (727)
Do baseline glucocorticoids predict fitness? (2009) (720)
Seasonal changes of the adrenocortical response to stress in birds of the Sonoran Desert. (1992) (676)
The determination of five steroids in avian plasma by radioimmunoassay and competitive protein-binding (1975) (634)
Avoiding the ‘Costs’ of Testosterone: Ecological Bases of Hormone-Behavior Interactions (2001) (542)
Testosterone and Aggression in Birds (1987) (493)
What is in a name? Integrating homeostasis, allostasis and stress (2010) (477)
Maternal corticosterone is transferred to avian yolk and may alter offspring growth and adult phenotype. (2004) (460)
Interactions of corticosterone with feeding, activity and metabolism in passerine birds (1992) (455)
Dynamics of food availability, body condition and physiological stress response in breeding Black‐legged Kittiwakes (1999) (452)
Allostatic load, social status and stress hormones: the costs of social status matter (2004) (437)
Allostasis and Allostatic Load (2007) (408)
Endocrine Responses of White-Crowned Sparrows to Environmental Stress (1982) (382)
A supergene determines highly divergent male reproductive morphs in the ruff (2015) (370)
Noninvasive corticosterone treatment rapidly increases activity in Gambel's white-crowned sparrows (Zonotrichia leucophrys gambelii). (1998) (366)
Modulation of the Adrenocortical Responses to Acute Stress in Arctic Birds: A Possible Ecological Basis (1995) (357)
Adrenocortical Responses to Stress and Their Modulation in Free‐Living Vertebrates (2011) (347)
Corticosterone facilitates begging and affects resource allocation in the black-legged kittiwake (2001) (341)
Endocrine Responses to Unpredictable Environmental Events: Stress or Anti-Stress Hormones?1 (2002) (341)
Benefits and costs of increased levels of corticosterone in seabird chicks (2003) (339)
Effects of Experimental Manipulation of Testosterone Levels on Parental Investment and Breeding Success in Male House Sparrows (1987) (320)
Control of behavioural strategies for capricious environments (2003) (314)
Balancing food and predator pressure induces chronic stress in songbirds (2004) (311)
The annual cycle of plasma irLH and steroid hormones in feral populations of the white-crowned sparrow, Zonotrichia leucophrys gambelii. (1978) (303)
Melatonin induces the expression of gonadotropin-inhibitory hormone in the avian brain. (2005) (294)
The Endocrinology of a Natural Breeding Population of the White-Crowned Sparrow (Zonotrichia leucophrys pugetensis) (1978) (292)
Stress and Reproduction: Reciprocal Relationships (1987) (284)
Urban birds have broader environmental tolerance (2007) (282)
Diel rhythms of basal and stress-induced corticosterone in a wild, seasonal vertebrate, Gambel's white-crowned sparrow. (1999) (280)
Is avian humoral immunocompetence suppressed by testosterone? (1999) (277)
Dietary restriction causes chronic elevation of corticosterone and enhances stress response in red-legged kittiwake chicks (2001) (274)
Effects of corticosterone on territorial behavior of free-living male song sparrows Melospiza melodia (1986) (273)
Seasonal Changes in Testosterone, Neural Attributes of Song Control Nuclei, and Song Structure in Wild Songbirds (1997) (270)
Stress Response and the Value of Reproduction: Are Birds Prudent Parents? (2009) (269)
Distinguishing seasonal androgen responses from male–male androgen responsiveness—Revisiting the Challenge Hypothesis (2007) (268)
Testosterone and territorial behaviour in sedentary and migratory sparrows (1994) (268)
Gonadotropin‐Inhibitory Peptide in Song Sparrows (Melospiza melodia) in Different Reproductive Conditions, and in House Sparrows (Passer domesticus) Relative to Chicken‐Gonadotropin‐Releasing Hormone (2003) (267)
Habituation of Adult Magellanic Penguins to Human Visitation as Expressed through Behavior and Corticosterone Secretion (2006) (252)
Stress hormones link food availability and population processes in seabirds (2007) (246)
Circulating levels of luteinizing hormone and steroid hormones in relation to social status in the cooperatively breeding white‐browed sparrow weaver, Plocepasser mahali (1991) (246)
The adrenocortical stress-response of Black-legged Kittiwake chicks in relation to dietary restrictions (1999) (243)
Neural, not gonadal, origin of brain sex differences in a gynandromorphic finch (2003) (234)
Effects of weather on corticosterone responses in wild free-living passerine birds. (2000) (234)
Short-term changes in plasma levels of hormones during establishment and defense of a breeding territory in male song sparrows, Melospiza melodia (1985) (231)
Environmental predictability and control of gonadal cycles in birds (1992) (231)
The role of sex steroids in the acquisition and production of birdsong (1988) (229)
Sex Steroid Levels in Porichthys notatus, a Fish with Alternative Reproductive Tactics, and a Review of the Hormonal Bases for Male Dimorphism among Teleost Fishes (1993) (225)
Gonadotropin-inhibitory hormone in Gambel's white-crowned sparrow (Zonotrichia leucophrys gambelii): cDNA identification, transcript localization and functional effects in laboratory and field experiments. (2004) (221)
Seasonal changes in plasma cortisol, testosterone and oestradiol-17beta-in the plaice, Pleuronectes platessa L. (1977) (220)
Short-term fasting affects locomotor activity, corticosterone, and corticosterone binding globulin in a migratory songbird (2003) (220)
Androgens and Mating Systems: Testosterone-induced Polygyny in Normally Monogamous Birds (1984) (219)
Seasonal and Acute Changes in Adrenocortical Responsiveness in an Arctic-Breeding Bird (1995) (219)
THE CONCEPT OF ALLOSTASIS: COPING WITH A CAPRICIOUS ENVIRONMENT (2005) (218)
Androgens and the Immunocompetence Handicap Hypothesis: Unraveling Direct and Indirect Pathways of Immunosuppression in Song Sparrows (2004) (218)
Testosterone and year-round territorial aggression in a tropical bird. (2000) (217)
Changes in Plasma Levels of Luteinizing Hormone and Sex Steroid Hormones in Relation to Multiple-Broodedness and Nest-Site Density in Male Starlings (1987) (216)
Control of seasonal reproduction in temperate-zone birds. (1980) (216)
Ecological processes and the ecology of stress: the impacts of abiotic environmental factors (2013) (215)
Seasonal changes in gonadal hormone levels of adult male canaries and their relation to song. (1987) (215)
Seabirds as indicators of marine ecosystems (2007) (214)
Regulation of Territorial Behavior in the Sedentary Song Sparrow, Melospiza melodia morphna (1994) (208)
Environmental and endocrine control of reproduction in the song sparrow, Melospiza melodia. I. Temporal organization of the breeding cycle. (1984) (207)
Organization of vertebrate annual cycles: implications for control mechanisms (2008) (206)
Endocrine Responses to Inclement Weather in Naturally Breeding Populations of White-Crowned Sparrows (Zonotrichia leucophrys pugetensis) (1983) (203)
Oestrogen regulates male aggression in the non–breeding season (2000) (201)
ENDOCRINE CONTROL OF LIFE-CYCLE STAGES: A CONSTRAINT ON RESPONSE TO THE ENVIRONMENT? (2000) (201)
Regulation of Migration (2007) (201)
Evidence for a navigational map stretching across the continental U.S. in a migratory songbird (2007) (196)
Seasonality of reproduction in a neotropical rain forest bird. (2000) (193)
Dehydroepiandrosterone in songbird plasma: seasonal regulation and relationship to territorial aggression. (2001) (189)
Central Administration of Chicken Gonadotropin-Releasing Hormone-II Enhances Courtship Behavior in a Female Sparrow (1997) (185)
A mechanistic link between chick diet and decline in seabirds? (2006) (185)
The BRAIN Initiative: developing technology to catalyse neuroscience discovery (2015) (184)
Importance of the glucocorticoid stress response in a changing world: theory, hypotheses and perspectives. (2013) (184)
Rapid inhibition of female sexual behavior by gonadotropin-inhibitory hormone (GnIH) (2006) (183)
Ecological Constraints and the Evolution of Hormone‐Behavior Interrelationships a (1997) (178)
Parasite-mediated sexual selection: endocrine aspects. (1997) (177)
Season and migration alters the corticosterone response to capture and handling in an Arctic migrant, the white-crowned sparrow (Zonotrichia leucophrys gambelii). (1997) (176)
Tempests, Poxes, Predators, and People: Stress in Wild Animals and How They Cope (2015) (173)
Changes in Reproductive Function of Free-Living Birds in Direct Response to Environmental Perturbations (1988) (171)
Sex-specific consequences of life in the city (2007) (169)
Acute and chronic effects of an aromatase inhibitor on territorial aggression in breeding and nonbreeding male song sparrows (2000) (166)
Hypothalamic-pituitary-adrenal axis changes allow seasonal modulation of corticosterone in a bird. (1998) (165)
Gonadotropin-inhibitory hormone and its receptor in the avian reproductive system. (2008) (165)
Physiological and Behavioral Differences in Magellanic Penguin Chicks in Undisturbed and Tourist‐Visited Locations of a Colony (2005) (165)
Corticosterone inhibits feather growth: potential mechanism explaining seasonal down regulation of corticosterone during molt. (2005) (165)
Gender and seasonal differences in the adrenocortical response to ACTH challenge in an arctic passerine, Zonotrichia leucophrys gambelii. (1994) (164)
Brain aromatase, 5α‐reductase, and 5β‐reductase change seasonally in wild male song sparrows: Relationship to aggressive and sexual behavior (2003) (163)
Energy metabolism, testosterone and corticosterone in white-crowned sparrows (1999) (163)
Avian Endocrinology: Field Investigations and Methods (1976) (163)
Testosterone in Tropical Birds: Effects of Environmental and Social Factors (2004) (161)
Toward an ecological basis of hormone-behavior interactions in reproduction in birds. (1999) (161)
Changes in plasma levels of testosterone during male-male interactions in the song sparrow, Melospiza melodia: time course and specificity of response (1989) (160)
Comparative endocrinology, environment and global change. (2008) (160)
Physiological regulatory networks: ecological roles and evolutionary constraints. (2012) (160)
Seasonal changes of the adrenocortical responses to stress in redpolls, Acanthis flammea, in Alaska (1994) (159)
Sex differences in plasma concentrations of steroids during the sensitive period for brain differentiation in the zebra finch. (1984) (159)
Combined aromatase inhibitor and antiandrogen treatment decreases territorial aggression in a wild songbird during the nonbreeding season. (1999) (158)
Environmental and endocrine control of reproduction in the song sparrow, Melospiza melodia. II. Agonistic interactions as environmental information stimulating secretion of testosterone. (1984) (158)
Experimental Chronic Noise Is Related to Elevated Fecal Corticosteroid Metabolites in Lekking Male Greater Sage-Grouse (Centrocercus urophasianus) (2012) (157)
Differential mechanisms for regulation of the stress response across latitudinal gradients. (2003) (157)
Hormonal, behavioral, and thermoregulatory responses to bacterial lipopolysaccharide in captive and free-living white-crowned sparrows (Zonotrichia leucophrys gambelii) (2006) (156)
Adrenocortical Response to Stress in the Common Diving Petrel, Pelecanoides urinatrix (1994) (151)
External and internal influences on indices of physiological stress. I. Seasonal and population variation in adrenocortical secretion of free-living lizards, Sceloporus occidentalis. (1995) (150)
Food availability and population processes: severity of nutritional stress during reproduction predicts survival of long‐lived seabirds (2010) (150)
Baseline and Stress‐Induced Plasma Corticosterone during Long‐Distance Migration in the Bar‐Tailed Godwit, Limosa lapponica (2002) (145)
Seasonal changes in avian song nuclei without seasonal changes in song repertoire (1991) (144)
Seasonal changes in song nuclei and song behavior in Gambel's white-crowned sparrows. (1995) (143)
Roles of photoperiod and testosterone in seasonal plasticity of the avian song control system. (1997) (143)
Glucocorticoid hormone levels increase with group size and parasite load in cliff swallows (2006) (143)
Dehydroepiandrosterone (DHEA) Increases Territorial Song and the Size of an Associated Brain Region in a Male Songbird (2002) (140)
The adrenocortical responses to stress in breeding Willow Warblers Phylloscopus trochilus in Sweden : effects of latitude and gender (1997) (138)
The comparative biology of environmental stress: behavioural endocrinology and variation in ability to cope with novel, changing environments (2013) (138)
Endocrine Mechanisms of Migration (1990) (137)
Prolactin and helping behaviour in the cooperatively breeding Florida scrub-jay, Aphelocoma c. coerulescens (1996) (136)
Ecological factors underlying the adrenocortical response to capture stress in arctic-breeding shorebirds. (2001) (134)
Steroid Hormones and Paternal Care in the Plainfin Midshipman Fish (Porichthys notatus) (1999) (133)
Acute phase responses of passerine birds: characterization and seasonal variation (2007) (132)
Aggressive interactions rapidly increase androgen synthesis in the brain during the non-breeding season (2010) (132)
Seasonal changes in androgen receptor immunoreactivity in the song nucleus HVc of a wild bird (1999) (130)
Social instability increases plasma testosterone in a year–round territorial neotropical bird (1999) (130)
Temporal Flexibility in Avian Reproduction (1997) (126)
Effects of temperature on photoperiodically induced reproductive development, circulating plasma luteinizing hormone and thyroid hormones, body mass, fat deposition and molt in mountain white-crowned sparrows, Zonotrichia leucophrys oriantha. (2003) (125)
Long-term unpredictable foraging conditions and physiological stress response in mountain chickadees (Poecile gambeli). (2001) (125)
Do stable isotopes reflect nutritional stress? Results from a laboratory experiment on song sparrows (2007) (124)
Alterations in hypothalamic-pituitary-adrenal function associated with captivity in Gambel's white-crowned sparrows (Zonotrichia leucophrys gambelii). (1999) (121)
Biological Clocks and Regulation of Seasonal Reproduction and Migration in Birds* (2010) (121)
Latitudinal variation in plasma testosterone levels in birds of the genus Zonotrichia. (2002) (120)
Hormonal correlates of individual quality in a long-lived bird: a test of the ‘corticosterone–fitness hypothesis’ (2010) (119)
The low-affinity glucocorticoid receptor regulates feeding and lipid breakdown in the migratory Gambel's white-crowned sparrow Zonotrichia leucophrys gambelii (2004) (119)
Experimentally prolonged sexual activity in female sparrows delays termination of reproductive activity in their untreated mates (1985) (118)
Seasonal modulation of sickness behavior in free-living northwestern song sparrows (Melospiza melodia morphna) (2006) (117)
Effects of brood-size manipulations on parental investment, breeding success, and reproductive endocrinology of house sparrows (1987) (117)
The relationship of telomere length to baseline corticosterone levels in nestlings of an altricial passerine bird in natural populations (2016) (117)
Rapid Behavioral Response to Corticosterone Varies with Photoperiod and Dose (2000) (116)
Ecophysiological Studies of Hormone-Behavior Relations in Birds (2002) (116)
Control of territorial aggression in a changing environment (1994) (115)
Arctic spring: hormone-behavior interactions in a severe environment. (2002) (114)
Androgens and estrogens induce seasonal-like growth of song nuclei in the adult songbird brain. (2003) (113)
Behavioral Approaches to Conservation in the Wild (1997) (113)
Testosterone and Polygyny in Birds (1995) (113)
Androgen-metabolizing enzymes show region-specific changes across the breeding season in the brain of a wild songbird. (1999) (113)
Reproductive asynchrony and population divergence between two tropical bird populations (2005) (113)
Effects of day length and temperature on gonadal development, body mass, and fat depots in white-crowned sparrows, Zonotrichia leucophrys pugetensis. (1997) (113)
Seasonal glucocorticoid responses to capture in wild free-living mammals. (2008) (111)
Hormonal and behavioural responses to simulated territorial intrusion in the cooperatively breeding white-browed sparrow weaver, Plocepasser mahali (1993) (111)
MODULATION OF THE ADRENOCORTICAL STRESS RESPONSE IN NEOTROPICAL MIGRANTS DURING AUTUMN MIGRATION (1996) (109)
The adrenocortical responses to stress in snow buntings (Plectrophenax nivalis) and Lapland longspurs (Calcarius lapponicus) at Barrow, Alaska (1994) (109)
Maternal corticosteroids influence primary offspring sex ratio in a free-ranging passerine bird (2007) (108)
A continuing saga: The role of testosterone in aggression (2005) (108)
Social competition, corticosterone and survival in female lizard morphs (2003) (107)
Spring and Autumn Migration in Arctic Shorebirds: Same Distance, Different Strategies (1995) (107)
Seasonality and Hormonal Control of Territorial Aggression in Female Song Sparrows (Passeriformes: Emberizidae: Melospiza melodia) (2000) (105)
Corticosterone, Reproductive Status, and Body Mass in a Cooperative Breeder, the Florida Scrub-Jay (Aphelocoma coerulescens) (1997) (105)
Sex differences in the organizational effects of corticosterone in the egg yolk of quail. (2006) (105)
A Field Study of Social Dominance, Plasma Levels of Luteinizing Hormone and Steroid Hormones in Wintering Harris' Sparrows (1981) (103)
Seasonal changes in adrenal sensitivity alter corticosterone levels in Gambel's white-crowned sparrows (Zonotrichia leucophrys gambelii). (1998) (102)
Stimulatory Effects on the Reproductive Axis in Female Songbirds by Conspecific and Heterospecific Male Song (2000) (102)
The general and comparative biology of gonadotropin-inhibitory hormone (GnIH). (2007) (101)
The hormonal control of territorial aggression in tropical birds (1992) (100)
Behavioral and endocrine correlates of multiple brooding in the semicolonial house sparrow Passer domesticus II. Females (1986) (100)
Endocrine influences on parental care during a short breeding season: testosterone and male parental care in Lapland longspurs (Calcarius lapponicus) (1999) (98)
Interrelationship of day length and temperature on the control of gonadal development, body mass, and fat score in white-crowned sparrows, Zonotrichia leucophrys gambelii. (1996) (98)
Visual and nutritional food cues fine-tune timing of reproduction in a neotropical rainforest bird. (2000) (97)
Testosterone implants increase song but not aggression in male Lapland longspurs (1997) (96)
Delayed breeding in the cooperatively breeding Florida scrub-jay (Aphelocoma coerulescens): inhibition or the absence of stimulation? (1996) (96)
REPRODUCTIVE SEASONALITY OF SEVEN NEOTROPICAL PASSERINE SPECIES (2003) (95)
Territoriality and testosterone in an equatorial population of rufous-collared sparrows, Zonotrichia capensis (2004) (95)
Correlations between song acquisition, song production, and plasma levels of testosterone and estradiol in sparrows. (1987) (94)
Spring and Autumn Territoriality in Song Sparrows: Same Behavior, Different Mechanisms?1 (2002) (92)
Reproductive endocrinology of birds. (1980) (92)
The effects of androgen and antiandrogen on dominance and aggressiveness in male red-winged blackbirds (1980) (92)
EFFECTS OF ENDOGENOUS STEROID HORMONE LEVELS ON ANNUAL SURVIVAL IN CLIFF SWALLOWS (2005) (92)
Testosterone and Immunosuppression in Vertebrates: Implications for Parasite-Mediated Sexual Selection (1997) (91)
Corticosterone Treatment Has No Effect on Reproductive Hormones or Aggressive Behavior in Free-living Male Tree Sparrows, Spizella arborea (2000) (90)
Physiologic properties of steroid hormone-binding proteins in avian blood. (1984) (90)
Androgen Regulation of Hypothalamic Neurons Containing Gonadotropin-Releasing Hormone in a Cichlid Fish: Integration with Social Cues (1996) (90)
The adrenocortical response to stress in incubating magellanic penguins (Spheniscus magellanicus) (1998) (89)
Behavioural insensitivity to supplementary testosterone during the parental phase in the chestnut-collared longspur,Calcarius ornatus (2002) (89)
Interactions of gonadotropin-releasing hormone (GnRH) and gonadotropin-inhibitory hormone (GnIH) in birds and mammals. (2006) (89)
Status signalling in dark-eyed juncos, Junco hyemails: plumage manipulations and hormonal correlates of dominance (1989) (88)
Field Endocrinology and Conservation Biology1 (2005) (88)
Seasonal Differences of Gene Expression Profiles in Song Sparrow (Melospiza melodia) Hypothalamus in Relation to Territorial Aggression (2009) (88)
Contexts and ethology of vertebrate aggression: Implications for the evolution of hormone-behavior interactions (2005) (88)
Adrenocortical responses to stress in breeding Pied Flycatchers Ficedula hypoleuca: relation to latitude, sex and mating status (1998) (87)
Corticosterone, prolactin and egg neglect behavior in relation to mercury and legacy POPs in a long-lived Antarctic bird. (2015) (86)
Plasma corticosterone, adrenal mass, winter weather, and season in nonbredding populations of Dark-eyed Juncos (Junco hyemalis hyemalis) (1993) (86)
Contributions of Social Cues and Photoperiod to Seasonal Plasticity in the Adult Avian Song Control System (1999) (86)
NPY increases food intake in white-crowned sparrows: effect in short and long photoperiods. (1995) (86)
Testosterone and Aggressive Behaviour during the Reproductive Cycle of Male Birds (1985) (85)
Some endocrine correlates of renesting after loss of clutch or brood in the white-crowned sparrow, Zonotrichia leucophrys gambelii. (1979) (85)
Competing females and caring males. Sex steroids in African black coucals, Centropus grillii (2004) (85)
Influence of weather on reproduction. (1984) (85)
VOCAL DISTINCTIVENESS AND RESPONSE TO CONSPECIFIC PLAYBACK IN THE SPOTTED ANTBIRD, A NEOTROPICAL SUBOSCINE (2002) (84)
Contributions of bird studies to biology. (1989) (84)
Metabolic profile of long–distance migratory flight and stopover in a shorebird (2005) (84)
Plasma corticosterone increases during migratory restlessness in the captive white-crowned sparrow Zonotrichia leucophrys gambelli (2004) (84)
MODULATING THE CORTICOSTERONE STRESS RESPONSE: A MECHANISM FOR BALANCING INDIVIDUAL RISK AND REPRODUCTIVE SUCCESS IN ARCTIC-BREEDING SPARROWS? (2003) (84)
Adjustments of the prebasic molt schedule in birds (1992) (83)
The hypothalamus and adrenal regulate modulation of corticosterone release in redpolls (Carduelis flammea--an arctic-breeding song bird). (1998) (83)
Autumnal territorial aggression is independent of plasma testosterone in mockingbirds (1990) (83)
What are extreme environmental conditions and how do organisms cope with them (2011) (82)
Ambient temperature effects on photo induced gonadal cycles and hormonal secretion patterns in Great Tits from three different breeding latitudes (2008) (82)
Steroid Hormone Interrelationships with Territorial Aggression in an Arctic-Breeding Songbird, Gambel's White-Crowned Sparrow, Zonotrichia leucophrys gambelii (2002) (81)
Effects of ambient temperature on photo-induced prolactin secretion in three subspecies of white-crowned sparrow, Zonotrichia leucophrys. (1999) (80)
Behavioral and physiological conflicts in migrants: the transition between migration and breeding (2006) (79)
Relationships of Steroid Hormones and Polygyny to Territorial Status, Breeding Experience, and Reproductive Success in Male Red-Winged Blackbirds (1989) (79)
Copulation activates Fos-like immunoreactivity in the male quail forebrain (1997) (78)
How birds cope physiologically and behaviourally with extreme climatic events (2017) (78)
Age and Food Deprivation Affects Expression of the Glucocorticosteroid Stress Response in Magellanic Penguin (Spheniscus magellanicus) Chicks (2005) (77)
The effect of corticosterone on standard metabolic rates of small passerine birds (2004) (77)
Male-to-female testosterone ratios, dimorphism, and life history—what does it really tell us? (2014) (77)
The adrenocortical response of tufted puffin chicks to nutritional deficits (2005) (76)
Mode of action and functional significance of avian gonadotropin-inhibitory hormone (GnIH): a review. (2006) (76)
Hormonal and Reproductive Effects of Low Levels of Petroleum Fouling in Magellanic Penguins (Spheniscus magellanicus) (1995) (76)
Correlation between blood level of androgens and sexual behavior in male leopard frogs, Rana pipiens. (1976) (75)
Changes in pituitary and adrenal sensitivities allow the snow bunting (Plectrophenax nivalis), an Arctic-breeding song bird, to modulate corticosterone release seasonally (1998) (75)
Social-status, circulating levels of hormones, and competition for food in winter flocks of the White-throated sparrow (1988) (74)
Correlation between Female Reproductive Condition and Plasma Corticosterone in the Lizard Uta stansburiana (1992) (73)
Modulation of the Adrenocortical Response to Stress (2015) (73)
Report of Committee on Use of Wild Birds in Research (1988) (73)
Temporal Patterns of Territorial Behavior and Circulating Testosterone in the Lapland Longspur and Other Arctic Passerines (1995) (73)
Intraventricular Infusion of Arginine Vasotocin induces Singing in a Female Songbird (1997) (73)
Year-class differences in the reproductive system, plasma prolactin and corticosterone concentrations, and onset of prebasic molt in male dark-eyed juncos (Junco hyemalis) during the breeding period. (2000) (72)
Immunohistochemical localization of neuropeptides in the vocal control regions of two songbird species (1988) (71)
Seasonal growth of song control nuclei precedes seasonal reproductive development in wild adult song sparrows. (2001) (71)
Does prolactin mediate parental and life-history decisions in response to environmental conditions in birds? A review (2016) (70)
Seasonal plasticity of the song control system in wild Nuttall's white-crowned sparrows. (1998) (70)
Toward an Integrative Understanding of Social Behavior: New Models and New Opportunities (2010) (70)
The influence of social cues on the reproductive endocrinology of male brown-headed cowbirds: Field and laboratory studies (1986) (70)
Social context modulates sickness behavior (2012) (70)
Flexibility in annual cycles of birds: implications for endocrine control mechanisms (2005) (70)
A phylogenetically controlled test of hypotheses for behavioral insensitivity to testosterone in birds (2005) (69)
Modulation of the hypothalamic–pituitary–adrenal axis of an Arctic–breeding polygynandrous songbird, the Smith's longspur, Calcarius pictus (2003) (69)
Seasonal changes in aromatase and androgen receptor, but not estrogen receptor mRNA expression in the brain of the free‐living male song sparrow, Melospiza melodia morphna (2010) (69)
Neither testicular androgens nor embryonic aromatase activity alters morphology of the neural song system in zebra finches. (1996) (68)
Baseline and Stress‐Induced Levels of Corticosterone during Different Life Cycle Substages in a Shorebird on the High Arctic Breeding Grounds (2002) (67)
Glucocorticoids and Parental Hyperphagia in Ring Doves (Streptopelia risoria) (2002) (66)
RNA Interference of Gonadotropin-Inhibitory Hormone Gene Induces Arousal in Songbirds (2012) (66)
Testosterone and group size in cliff swallows: testing the “challenge hypothesis” in a colonial bird (2005) (66)
Greater shrub dominance alters breeding habitat and food resources for migratory songbirds in Alaskan arctic tundra (2015) (65)
Brain aromatase, 5 alpha-reductase, and 5 beta-reductase change seasonally in wild male song sparrows: relationship to aggressive and sexual behavior. (2003) (64)
Effects of Acute Treatment with 8‐OH‐DPAT and Fluoxetine on Aggressive Behaviour in Male Song Sparrows (Melospiza melodia morphna) (2003) (64)
Year-to-year patterns of circulating levels of testosterone and corticosterone in relation to breeding density, experience, and reproductive success of the polygynous red-winged blackbird (1992) (62)
Social and breeding status are associated with the expression of GnIH (2011) (62)
Latitudinal Distribution, Migration, and Testosterone Levels in Birds (2008) (62)
Impact of experience-dependent and -independent factors on gene expression in songbird brain (2012) (61)
Japanese Quail Selected for High Plasma Corticosterone Response Deposit High Levels of Corticosterone in Their Eggs (2005) (61)
Population differences in fever and sickness behaviors in a wild passerine: a role for cytokines (2010) (61)
Seasonal and Interpopulational Variation in Plasma Levels of Corticosterone in the Side-Blotched Lizard (Uta stansburiana) (1994) (61)
Changes in plasma corticosterone and adrenocortical response to stress during the breeding cycle in high altitude flycatchers. (2003) (60)
The effects of an "El Niño" southern oscillation event on reproduction in male and female blue-footed boobies, Sula nebouxii. (1999) (60)
Seasonal changes in the size of the avian song control nucleus HVC defined by multiple histological markers (1997) (60)
The effects of combined aromatase inhibitor and anti-androgen on male territorial aggression in a tropical population of rufous-collared sparrows, Zonotrichia capensis. (2004) (59)
Responses of photosensitive and photorefractory male white-crowned sparrows (Zonotrichia leucophrys gambelii) to synthetic mammalian luteinizing hormone releasing hormone (syn-LHRH). (1979) (59)
Control of testicular cycles in the song sparrow, Melospiza melodia melodia: interaction of photoperiod and an endogenous program? (1993) (59)
Hormones and Territorial Behavior during Breeding in Snow Buntings (Plectrophenax nivalis): An Arctic-Breeding Songbird (1998) (58)
Plasma levels of prolactin and gonadal steroids in relation to multiple-brooding and renesting in free-living populations of the song sparrow, Melospiza melodia (1990) (58)
Noninvasive methods for measuring and manipulating corticosterone in hummingbirds. (2000) (58)
The role of androgen receptors in regulating territorial aggression in male song sparrows (2010) (57)
Phylogenetic relationships between the European and Asian eight spined larch bark beetle populations (Coleoptera, Scolytidae) inferred from DNA sequences and fungal associates (2001) (57)
Survival, the hormonal stress response and UV-B avoidance in Cascades Frog tadpoles ( Rana cascadae ) exposed to UV-B radiation (2003) (56)
Hormonal Correlates of Dominance and Starvation‐induced Aggression in Chicks of the Blue‐footed Booby (2010) (56)
Regulatory Mechanisms that Underlie Phenology, Behavior, and Coping with Environmental Perturbations: An Alternative Look at Biodiversity (2012) (55)
Competing Females and Caring Males. Polyandry and Sex-Role Reversal in African Black Coucals, Centropus grillii (2004) (55)
Seasonal gonadal recrudescence in song sparrows: response to temperature cues. (2005) (55)
Stress Responses in Tropical Sparrows: Comparing Tropical and Temperate Zonotrichia (2006) (54)
Reproductive development according to elevation in a seasonally breeding male songbird (2004) (54)
Behavioral and endocrine correlates of multiple brooding in the semicolonial house sparrow Passer domesticus I. Males (1986) (54)
Effects of vasoactive intestinal peptide on plasma prolactin in passerines. (1999) (54)
Introduction. Integration of ecology and endocrinology in avian reproduction: a new synthesis (2008) (53)
Gonadotrophin‐Inhibitory Hormone: A Multifunctional Neuropeptide (2009) (52)
Hormonal responses to removal of a breeding male in the cooperatively breeding white-browed sparrow weaver, Plocepasser mahali (1992) (51)
Regulation of the hypothalamic-pituitary-adrenal axis in free-living pigeons (2001) (51)
Control and context of year-round territorial aggression in the non-migratory Song Sparrow Zonotrichia melodia morphna (1992) (51)
Nestling growth rates in relation to food abundance and weather in the Arctic (2016) (50)
Muscarinic cholinergic receptors in the songbird and quail brain: A quantitative autoradiographic study (1990) (50)
Corticosterone and Growth in Pacific Treefrog (Hyla regilla) Tadpoles (2005) (48)
NDVI as a predictor of canopy arthropod biomass in the Alaskan arctic tundra. (2015) (47)
Adaptive social and maternal induction of antipredator dorsal patterns in a lizard with alternative social strategies. (2007) (46)
Comparative endocrinology in the 21st century. (2009) (46)
Endocrine disruption in the context of life cycles: perception and transduction of environmental cues. (2009) (46)
Role of the Low‐Affinity Glucocorticoid Receptor in the Regulation of Behavior and Energy Metabolism in the Migratory Red Knot Calidris canutus islandica (2004) (46)
Temporal flexibility in avian reproduction: patterns and mechanisms (1997) (46)
Hormonally-regulated trade-offs: evolutionary variability and phenotypic plasticity in testosterone signaling pathways (2011) (46)
Decreases in Mineralocorticoid but not Glucocorticoid Receptor mRNA Expression During the Short Arctic Breeding Season in Free‐Living Gambel's White‐Crowned Sparrow (Zonotrichia leucophrys gambelii) (2015) (46)
Neuroendocrine Suppression of Female Courtship in a Wild Passerine: Corticotropin‐Releasing Factor and Endogenous Opioids (1998) (45)
The effect of extreme spring weather on body condition and stress physiology in Lapland longspurs and white-crowned sparrows breeding in the Arctic (2016) (45)
Tests of association between the humoral immune response of red-winged blackbirds (Agelaius phoeniceus) and male plumage, testosterone, or reproductive success (2003) (45)
Behavioral and Hormonal Responses of Male Song Sparrows to Estradiol-Treated Females during the Non-breeding Season (1994) (44)
Effect of day length on plasma FSH and LH in castrated and intact white-crowned sparrows. (1980) (44)
Hormonal correlates of bower decoration and sexual display in the satin bowerbird (Ptilonorhynchus violaceus) (1991) (43)
Effects of embryonic treatment with fadrozole on phenotype of gonads, syrinx, and neural song system in zebra finches. (1999) (43)
Hormonal Correlates of Breeding Status, Nest Construction, and Parental Care in Multiple-Brooded Northern Mockingbirds, Mimus polyglottos (1995) (43)
Identity of gonadotropin-releasing hormone in passerine birds: comparison of GnRH in song sparrow (Melospiza melodia) and starling (Sturnus vulgaris) with five vertebrate GnRHs. (1988) (43)
Impacts of frequent, acute pulses of corticosterone on condition and behavior of Gambel's white-crowned sparrow (Zonotrichia leucophrys gambelii). (2008) (42)
The Adrenocortical Response to Stress in Male Bush Warblers, Cettia diphone: A Comparison of Breeding Populations in Honshu and Hokkaido, Japan (1995) (42)
Organism–environment interactions in a changing world: a mechanistic approach (2011) (42)
Effect of estradiol implants on reproductive behavior of female Lapland longspurs (Calcarius lapponicus). (2004) (41)
Chapter 3 - Hormone-Behavior Interrelationships of Birds in Response to Weather (2011) (40)
Evidence for a Novel Gonadotropin-Releasing Hormone in Hypothalamic and Forebrain Areas in Songbirds (2003) (40)
The challenge hypothesis: Where it began and relevance to humans (2017) (40)
SEASONAL, AGE, AND SEX DIFFERENCES IN WEIGHT, FAT RESERVES, AND PLASMA CORTICOSTERONE IN WESTERN SANDPIPERS (2003) (40)
Gonadal development during autumn and winter in house sparrows (1986) (40)
Regulation of vernal migration in Gambel's white-crowned sparrows: Role of thyroxine and triiodothyronine (2016) (40)
Hormonal correlates of polyandry in the spotted sandpiper, Actitis macularia. (1984) (40)
EcoPhysiology and Conservation: The Contribution of Endocrinology and Immunology– Introduction to the Symposium1 (2005) (40)
Variation in circulating corticosterone levels is associated with altitudinal range expansion in a passerine bird (2011) (40)
Steroid hormones in relation to territoriality, breeding density, and parental behavior in male yellow-headed blackbirds (1990) (39)
Endocrine correlates of dominance in chicks of the blue-footed booby (Sula nebouxii): testing the Challenge Hypothesis (2000) (39)
Modulation of the prolactin and the corticosterone stress responses: do they tell the same story in a long-lived bird, the Cape petrel? (2013) (39)
A New Key Neurohormone Controlling Reproduction, Gonadotrophin‐Inhibitory Hormone in Birds: Discovery, Progress and Prospects (2009) (39)
Latitudinal variation of immune defense and sickness behavior in the white-crowned sparrow (Zonotrichia leucophrys) (2008) (39)
Arctic spring: The arrival biology of migrant birds (2004) (38)
Brain transcriptome sequencing and assembly of three songbird model systems for the study of social behavior (2014) (38)
Influences of weather on reproductive function in male Song sparrows, Melospiza melodia (2009) (38)
Annual Hematocrit Profiles in Two Subspecies of White-Crowned Sparrow: A Migrant and a Resident Comparison (2016) (38)
Breeding biology, sexually dimorphic development and nestling testosterone concentrations of the classically polyandrous African black coucal, Centropus grillii (2005) (37)
Endocrine correlates of territoriality, breeding stage, and body molt in free-living willow ptarmigan of both sexes (1990) (37)
The stress response is attenuated during inclement weather in parental, but not in pre-parental, Lapland longspurs (Calcarius lapponicus) breeding in the Low Arctic (2016) (36)
Lipopolysaccharide injection induces rapid decrease of hypothalamic GnRH mRNA and peptide, but does not affect GnIH in zebra finches (2012) (36)
Plasticity of the Avian Song Control System in Response to Localized Environmental Cues in an Equatorial Songbird (2004) (36)
The corticosterone stress response in Gentoo and King Penguins during the non-fasting period (1996) (36)
Pre-migratory life history stages of juvenile Arctic birds: costs, constraints, and trade-offs. (2007) (36)
Traffic noise exposure alters nestling physiology and telomere attrition through direct, but not maternal, effects in a free-living bird. (2019) (35)
Corticosterone and nocturnal torpor in the rufous hummingbird (Selasphorus rufus). (2000) (35)
Hypothalamic Pro‐GnRH‐GAP, GnRH‐I and GnRH‐II During the Onset of Photorefractoriness in the White‐Crowned Sparrow (Zonotrichia leucophrys gambelii) (2006) (35)
Response to acute stress in the Harlequin Duck (Histrionicus histrionicus) during the breeding season and moult: relationships to gender, condition, and life-history stage (2002) (35)
Does short-term fasting lead to stressed-out parents? A study of incubation commitment and the hormonal stress responses and recoveries in snow petrels (2015) (35)
Reproductive endocrinology and weight change in relation to reproductive success in the magellanic penguin (Spheniscus magellanicus). (1994) (34)
Ecological Factors Affecting the Adrenocortical Response to Stress in Chestnut‐Collared and McCown’s Longspurs (Calcarius ornatus, Calcarius mccownii) (2003) (34)
Effects of repeated, short-term, corticosterone administration on the hypothalamo-pituitary-adrenal axis of the white-crowned sparrow (Zonotrichia leucophrys gambelii). (2008) (34)
Hypertrophy of gonadotropin releasing hormone-containing neurons after castration in the teleost, Haplochromis burtoni. (1992) (34)
Photoperiod-Independent Changes in Immunoreactive Brain Gonadotropin-Releasing Hormone (GnRH) in a Free-Living, Tropical Bird (2006) (33)
Historical contributions of research on birds to behavioral neuroendocrinology (2005) (33)
Extreme spring conditions in the Arctic delay spring phenology of long-distance migratory songbirds (2017) (33)
Searching for the Physiological Mechanism of Density Dependence: Does Corticosterone Regulate Tadpole Responses to Density? (2007) (33)
Coping with change: A framework for environmental signals and how neuroendocrine pathways might respond (2015) (33)
Influence of proximity to a geographical range limit on the physiology of a tropical bird. (2011) (33)
RNA interference of gonadotropin-inhibitory hormone gene induces aggressive and sexual behaviors in birds. (2013) (32)
Breeding on the extreme edge: Modulation of the adrenocortical response to acute stress in two High Arctic passerines (2015) (32)
Sex-specific variation in brown-headed cowbird immunity following acute stress: a mechanistic approach (2012) (32)
Effects of N-Methyl-d-Aspartate on Luteinizing Hormone Release and Fos-Like Immunoreactivity in the Male White-Crowned Sparrow (Zonotrichia leucophrys gambelii)1. (1999) (31)
Prolactin-induced parental hyperphagia in ring doves: are glucocorticoids involved? (2004) (30)
Endocrine correlates of autumnal behavior in sedentary and migratory individuals of a partially migratory population of the European blackbird (Turdus merula) (1984) (30)
Breeding on the leading edge of a northward range expansion: differences in morphology and the stress response in the arctic Gambel’s white-crowned sparrow (2015) (30)
Testosterone treatment diminishes sickness behavior in male songbirds (2009) (30)
Patterns of breeding behaviour and plasma levels of hormones in a free‐living population of Pied flycatchers, Ficedula hypoleuca (2009) (29)
Immunocytochemical study of rhodopsin-containing putative encephalic photoreceptors in house sparrow, Passer domesticus. (2011) (29)
Baseline corticosterone and stress response in the Thorn-tailed Rayadito (Aphrastura spinicauda) along a latitudinal gradient. (2014) (29)
Adrenocortical sensitivity to stress in Dark-eyed Juncos (Junco hyemalis oregonus) breeding in low and high elevation habitat (2003) (29)
Interactions of Sex Steroid Hormones and Prolactin in Male and Female Song Sparrows, Melospiza melodia (1989) (28)
CHAPTER 36 – Communicative Behaviors, Hormone–Behavior Interactions, and Reproduction in Vertebrates (2006) (28)
A mechanistic approach to understanding range shifts in a changing world: What makes a pioneer? (2015) (28)
Dissociation of testosterone and aggressive behavior during the breeding season in male chestnut-collared longspurs, Calcarius ornatus. (2008) (28)
Defining the Degree of Seasonality and its Significance for Future Research. (2017) (28)
Eavesdropping on the Arctic: Automated bioacoustics reveal dynamics in songbird breeding phenology (2018) (27)
Seasonal changes in adrenocortical responses to acute stress in Eurasian tree sparrow (Passer montanus) on the Tibetan Plateau: comparison with house sparrow (P. domesticus) in North America and with the migratory P. domesticus in Qinghai Province. (2008) (27)
Variation in the hormonal stress response among larvae of three amphibian species. (2010) (27)
Castration Lowers Aggression but not Social Dominance in Male Haplochromis burtoni (Cichlidae) (2010) (27)
Allostasis, Homeostasis, and the Costs of Physiological Adaptation: Allostatic Load and Life Cycles: Implications for Neuroendocrine Control Mechanisms (2004) (26)
Seasonal and social modulation of testosterone in Costa Rican rufous-collared sparrows (Zonotrichia capensis costaricensis). (2010) (26)
Prolactin secretion in a brood parasite, the brown‐headed cowbird, Molothrus ater (1987) (26)
Nonbreeding season pairing behavior and the annual cycle of testosterone in male and female downy woodpeckers, Picoides pubescens (2004) (25)
Hypothalamic GnRH-I and its precursor during photorefractoriness onset in free-living male Dark-eyed Juncos (Junco hyemalis) of different year classes. (2006) (25)
Effects of exogenous androgen and antiandrogen on territorial and nonterritorial red-winged blackbirds (Aves : Icterinae) (2010) (25)
Effects of short-term fasting on stress physiology, body condition, and locomotor activity in wintering male white-crowned sparrows (2017) (24)
Corticosterone is not correlated with nest departure in snowy owl chicks (Nyctea scandiaca). (2006) (24)
The Effects of Acute Restraint Stress on Plasma Levels of Prolactin and Corticosterone across Life-History Stages in a Short-Lived Bird: Gambel’s White-Crowned Sparrow (Zonotrichia leucophrys gambelii) (2015) (24)
Polychlorinated biphenyl exposure and corticosterone levels in seven polar seabird species. (2015) (24)
The presence of water influences reproductive function in the song sparrow (Melospiza melodia morphna). (2012) (24)
Central Opioid Control of Feeding Behavior in the White-Crowned Sparrow, Zonotrichia leucophrys gambelii (1998) (24)
Regulation of complex behavioural transitions: migration to breeding (2017) (24)
Intracerebroventricular corticotropin-releasing factor decreases food intake in white-crowned sparrows (2000) (24)
Territorial Behavior, Hormonal Changes, and Body Condition in an Arctic-Breeding Song Bird, the Redpoll (Carduelis Flammea) (1997) (24)
Environmental Endocrinology: Insights into the Diversity of Regulatory Mechanisms in Life Cycles. (2018) (24)
Dietary cholesterol enhances torpor in a rodent hibernator (1997) (23)
Comparative Behavior of Male-Female and Female-Female Pairs among Western Gulls Prior to Egg-Laying (1984) (23)
Regulation of food intake by metabolic fuels in white-crowned sparrows. (1995) (23)
Changes in plasma levels of luteinizing hormone, steroid, and thyroid hormones during the postfledging development of white-crowned sparrows, Zonotrichia leucophrys. (1980) (23)
Effects of thyroid hormone manipulation on pre-nuptial molt, luteinizing hormone and testicular growth in male white-crowned sparrows (Zonotrichia leuchophrys gambelii) (2018) (23)
Neurally Active Stress Peptide Inhibits Territorial Defense in Wild Birds (1998) (23)
The effect of photoperiod on adrenocortical stress response in mountain chickadees (Poecile gambeli). (2002) (23)
STEROID HORMONE LEVELS ARE RELATED TO CHOICE OF COLONY SIZE IN CLIFF SWALLOWS (2005) (23)
MALE CHESTNUT-COLLARED LONGSPURS ARE ESSENTIAL FOR NESTLING SURVIVAL: A REMOVAL STUDY (2003) (22)
Bacteria-killing ability is negatively linked to epaulet size, but positively linked to baseline corticosterone, in male Red-winged Blackbirds (Agelaius phoeniceus) (2014) (22)
Inter‐laboratory variation in corticosterone measurement: Implications for comparative ecological and evolutionary studies (2017) (22)
Immimohistochemical localization of corticotropin-releasing factor in selected brain areas of the European starling (Sturnus vulgaris) and the song sparrow (Melospiza melodia) (1989) (22)
Effects of N-methyl-D-aspartate on luteinizing hormone release and Fos-like immunoreactivity in the male White-crowned sparrow (Zonotrichia leucophrys gambelii). (1999) (21)
The Impact of Exposure to a Novel Female on Symptoms of Infection and on the Reproductive Axis (2013) (21)
Comparison of adrenocortical responses to acute stress in lowland and highland Eurasian tree sparrows (Passer montanus): similar patterns during the breeding, but different during the prebasic molt. (2011) (21)
Sex Hormones in the Song Wren: Variation with Time of Year, Molt, Gonadotropin Releasing Hormone, and Social Challenge (2008) (21)
Seasonal variations of basal cortisol and high stress response to captivity in Octodon degus, a mammalian model species. (2014) (21)
Changes in plasma concentrations of progesterone, dehydroepiandrosterone and corticosterone in response to acute stress of capture, handling and restraint in two subspecies of white-crowned sparrows. (2014) (21)
Does extra corticosterone elicit increased begging and submissiveness in subordinate booby (Sula nebouxii) chicks? (2006) (21)
Shrub shading moderates the effects of weather on arthropod activity in arctic tundra (2018) (20)
Increased sensitivity of the serotonergic system during the breeding season in free-living American tree sparrows (2005) (20)
Response to commentaries on the concept of allostasis (2003) (20)
Combined effects of DHEA and fadrozole on aggression and neural VIP immunoreactivity in the non-breeding male song sparrow (2008) (20)
Testosterone-binding protein in a seasonally breeding amphibian. (1983) (20)
Changes in testicular and plasma androgens with photoperiodically induced increase in plasma LH in the house sparrow. (1982) (19)
Avian Migration: Regulation of Facultative-Type Movements (2003) (19)
Social Status and Circulating Levels of Hormones in Flocks of House Sparrows, Passer domesticus (2010) (19)
Environmental Endocrinology and the Control of Annual Reproductive Cycles in Passerine Birds (1978) (19)
Influences of weather on reproduction (1984) (19)
The challenge hypothesis: behavioral ecology to neurogenomics (2012) (18)
Concepts derived from the Challenge Hypothesis (2019) (18)
Mounting an immune response correlates with decreased androgen levels in male peafowl, Pavo cristatus (2009) (18)
MODULATION OF THE ADRENOCORTICAL RESPONSES TO ACUTE STRESS IN NORTHERN AND SOUTHERN POPULATIONS OF ZONOTRICHIA (2008) (18)
Effect of day length on luteinizing hormone beta-subunit mRNA and subsequent gonadal growth in the white-crowned sparrow, Zonotrichia leucophrys gambelii. (1994) (18)
Temporal patterns of circulating LH and steroid hormones in a brood parasite, the Brown‐headed cowbird, Molothrus ater. (2009) (18)
No latitudinal differences in adrenocortical stress response in wintering black-capped chickadees (Poecile atricapilla). (2004) (18)
Biology of a critically endangered species, the Toki (Japanese Crested Ibis) Nipponia nippon (2008) (18)
Temporal Patterns of Circulating LH and Steroid Hormones in a Brood Parasite, the Brown-Headed Cowbird. II. Females (1986) (17)
Discovery of gonadotropin-inhibitory hormone in a domesticated bird, its mode of action and functional significance (2007) (17)
Territorial Aggression of a Tropical Passerine, Zonotrichia Capensis, in Response to a Variety of Conspecific Intruders (2004) (17)
The role of testosterone in male downy woodpeckers in winter home range use, mate interactions and female foraging behaviour (2006) (17)
Disentangling the Effects of Environment and Life‐History Stage on Corticosterone Modulation in Costa Rican Rufous‐Collared Sparrows, Zonotrichia capensis costaricensis (2009) (16)
Influence of Winter on Endocrine State and Behavior in European Blackbirds (Turdus merula) (2010) (16)
Airborne laser scanning and spectral remote sensing give a bird's eye perspective on arctic tundra breeding habitat at multiple spatial scales (2016) (16)
Maternal androgens in avian brood parasites and their hosts: Responses to parasitism and competition? (2017) (16)
Temporal predictability in food availability: effects upon the reproductive axis in Scrub-Jays. (2009) (16)
Endocrine responsiveness to social challenges in northern and southern hemisphere populations of Zonotrichia (2007) (16)
Animal Welfare Policy: Implementation in the Context of Wildlife Research--Policy Review and Discussion of Fundamental Issues. (2016) (16)
Effects of El Niño and La Niña Southern Oscillation events on the adrenocortical responses to stress in birds of the Galapagos Islands. (2017) (15)
Apparent dissociation of photoperiodic time measurement between vernal migration and breeding under dim green light conditions in Gambel’s white-crowned sparrow Zonotrichia leucophrys gambelii (2013) (15)
Putting the brakes on reproduction: Implications for conservation, global climate change and biomedicine. (2016) (15)
Dehydroepiandrosterone Heightens Aggression and Increases Androgen Receptor and Aromatase mRNA Expression in the Brain of a Male Songbird (2016) (15)
PHYSIOLOGICAL CONDITION IN MAGELLANIC PENGUINS: DOES IT MATTER IF YOU HAVE TO WALK A LONG WAY TO YOUR NEST? (2004) (14)
Immune Function in an Avian Brood Parasite and Its Nonparasitic Relative (2012) (14)
Life cycles, behavioral traits and endocrine mechanisms (2001) (14)
Breaking down seasonality: androgen modulation and stress response in a highly stable environment. (2013) (14)
Patterns of hypothalamic GnIH change over the reproductive period in starlings and rats. (2016) (14)
Comparative endocrinology in the 21 st century (2009) (14)
Tissue-specific expression of 11β-HSD and its effects on plasma corticosterone during the stress response (2019) (13)
Cholecystokinin octapeptide decreases food intake in white-crowned sparrows. (1993) (13)
Epaulet Size and Current Condition in Red-Winged Blackbirds: Examining a Semistatic Signal, Testosterone, Immune Function, and Parasites (2014) (13)
Experimental Tests of Endocrine Function in Breeding and Nonbreeding Raptors (2011) (13)
The design of animal communication (1999) (13)
Preliminary identification of plasma steroids in the plaice, Pleuronectes platessa L. (1976) (12)
Examination of nocturnal activity and behaviour in resident white-crowned sparrows (Zonotrichia leucophrys nuttalli) (2011) (12)
Brain-Derived Steroids, Behavior and Endocrine Conflicts Across Life History Stages in Birds: A Perspective (2018) (12)
Late-season snowfall is associated with decreased offspring survival in two migratory arctic-breeding songbird species (2018) (12)
Adenohypophysectomy in the zebra finch. (1991) (12)
Modulation of androgens in southern hemisphere temperate breeding sparrows (Zonotrichia capensis): An altitudinal comparison (2011) (12)
Steroids in Allantoic Waste: An Integrated Measure of Steroid Exposure in Ovo (2005) (12)
Hormonal correlates of breeding behavior and pouch color in the Magnificent Frigatebird, Fregata magnificens. (2010) (11)
Endocrine Response of Captive Male Brown-Headed Cowbirds to Intrasexual Social Cues (1990) (11)
A blurring of life-history lines: Immune function, molt and reproduction in a highly stable environment. (2015) (11)
Effects of traffic noise exposure on corticosterone, glutathione and tonic immobility in chicks of a precocial bird (2019) (10)
Whither the challenge hypothesis? (2020) (10)
A comparison of the adrenocortical responses to acute stress in cardueline finches from the Tibetan Plateau, Arctic Alaska and lowland Western North America (2012) (10)
Autumn migratory departure is influenced by reproductive timing and weather in an Arctic passerine (2020) (10)
Changes in Immunocompetence and Other Physiological Measures during Molt in Brown-Headed Cowbirds (Molothrus ater) (2012) (9)
Aggression, body condition, and seasonal changes in sex-steroids in four hummingbird species (2014) (9)
Migration pattern of Gambel’s White-crowned Sparrow along the Pacific Flyway (2019) (9)
Non‐photic environmental cues and avian reproduction in an era of global change (2020) (9)
Clarifying the Cort-Fitness Hypothesis: a response to Dingemanse et al. (2010) (9)
Coping with extremes: Remarkably blunt adrenocortical responses to acute stress in two sympatric snow finches on the Qinghai-Tibet Plateau during winter relative to other seasons. (2020) (8)
Editorial of the Proceedings of the 25th International Ornithological Congress (2012) (8)
Reprint of “Concepts derived from the Challenge Hypothesis” (2020) (8)
Why is there variation in baseline glucocorticoid levels ? (2010) (8)
Weathering the storm: Do arctic blizzards cause repeatable changes in stress physiology and body condition in breeding songbirds? (2018) (8)
Developing effective assays in HTS (1998) (8)
Male territorial aggression and androgen modulation in high latitude populations of the Sooty, Passerella iliaca sinuosa, and Red Fox Sparrow, Passerella iliaca zaboria (2009) (8)
Estradiol differentially affects auditory recognition and learning according to photoperiodic state in the adult male songbird, European starling (Sturnus vulgaris) (2013) (8)
Environmental control of reproduction in neotropical rainforest birds (1999) (8)
Effects of a social cue on reproductive development and pre-alternate molt in seasonally breeding migrant and resident female songbirds (Zonotrichia leucophrys) (2017) (7)
Relationships between avian malaria resilience and corticosterone, testosterone and prolactin in a Hawaiian songbird. (2021) (7)
Avipox sp. in a colony of gray-crowned rosy finches (Leucosticte tephrocotis). (2003) (7)
Testosterone, Territoriality, and Social Interactions in Neotropical Birds (2014) (6)
Hypothalamic-pituitary-adrenal axis changes allow seasonal modulation of corticosterone in a bird. (1998) (6)
Linking a Static Signal to Current Condition: Song-Repertoire Size, Corticosterone, and Immunity in the Brown-Headed Cowbird (2013) (6)
Acta XXI Congressus Internationalis Ornithologici (2008) (6)
Hormonal control of territorial behavior in birds--field and laboratory investigations. (1990) (6)
Social facilitation of gonadal recrudescence (1984) (5)
Contrasting seasonal and aseasonal environments across stages of the annual cycle in the rufous‐collared sparrow, Zonotrichia capensis: Differences in endocrine function, proteome and body condition (2018) (5)
Origin of Homosexual Pairing of Female Western Gulls on Santa Barbara Island (1980) (5)
When do older birds better resist stress? A study of the corticosterone stress response in snow petrels (2020) (5)
2.15 – Ecophysiological Studies of Hormone–Behavior Relations in Birds: Future Challenges in a Changing World (2017) (5)
S09-5 Gonadotropin-inhibitory hormone in birds: possible modes of action (2006) (5)
Heavy rainfall triggers increased nocturnal flight in desert populations of the Pacific black duck (Anas superciliosa) (2017) (5)
Effect of day length and reproductive state on diel rhythms of luteinizing hormone levels in the plasma of white-crowned sparrows, Zonotrichia leucophrys gambelii (1981) (5)
Daily, circadian and seasonal changes of rhodopsin-like encephalic photoreceptor and its involvement in mediating photoperiodic responses of Gambel’s white-crowned Sparrow, Zonotrichia leucophrys gambelii (2018) (4)
Acute restraint stress does not alter corticosteroid receptors or 11β-hydroxysteroid dehydrogenase gene expression at hypothalamic-pituitary-adrenal axis regulatory sites in captive male white-crowned sparrows (Zonotrichia leucophrys gambelii). (2020) (4)
Correlated evolution of female and male testosterone-internal constraints or external determinants? A response to comments on Goymann and Wingfield (2014) (4)
Austral birds offer insightful complementary models in ecology and evolution. (2022) (4)
Rapid Behavioral Response to Corticosterone (2000) (4)
Hormones and Behavior in Higher Vertebrates J. Balthazart E. Pröve R. Gilles (1985) (4)
Gonadotropin-inhibitory hormone in seasonally-breeding songbirds: neuroanatomy and functional biology (2007) (4)
Annual regulation of adrenocortical function in migrant and resident subspecies of white-crowned sparrow (2020) (4)
Coping with extremes: convergences of habitat use, territoriality, and diet in summer but divergences in winter between two sympatric snow finches on the Qinghai-Tibet Plateau. (2020) (3)
Seasonal Modulation of Testosterone during Breeding of the Rufous-Collared Sparrow (Zonotrichia capensis australis) in Southern Patagonia (2013) (3)
The relative speed of the glucocorticoid stress response varies independently of scope and is predicted by environmental variability and longevity across birds. (2022) (3)
Uncovering the Sex-Specific Endocrine Responses to Reproduction and Parental Care (2021) (3)
Ontogeny of the adrenocortical response in an extremely altricial bird. (2019) (3)
On the relationship between baseline corticosterone levels and annual survival of the thorn-tailed rayadito. (2020) (3)
Differences in circulating corticosterone levels associated with elevation of breeding sites in Rufous-collared Sparrows Zonotrichia capensis (2020) (3)
Effect of testosterone blockers on male aggression, song and parental care in an arctic passerine, the Lapland longspur (Calcarius lapponicus) (2019) (3)
Allostatic Load in Gambel’s White Crowned Sparrow, Zonotrichia leucophrys gambelii: Relationships With Glucocorticoids (2022) (2)
Molt in Birds and Mammals: Hormones and Behavior (2019) (2)
Seasonal modulation of the adrenocortical stress responses in Chilean populations of Zonotrichia capensis (2018) (2)
Annual cycles of plasma cortisol, testosterone and oestradiol-17 beta in the plaice, Pleuronectes platessa L. (1974) (2)
Seasonal differences in hypothalamic thyroid‐stimulating hormone β, gonadotropin‐releasing hormone‐I and deiodinase expression between migrant and resident subspecies of white‐crowned sparrow (Zonotrichia leucophrys) (2021) (2)
Commentary: Guidance for Field Biology and Other Studies on Wildlife Species. (2016) (2)
A Goal Systemic Analysis of Cognitive Dissonance Phenomena (2005) (2)
Corticosterone and Nocturnal Torpor in the Rufous (2000) (2)
HABITATS USED BY THE ENDANGERED FOUNTAIN DARTER (ETHEOSTOMA FONTICOLA) IN THE SAN MARCOS RIVER, HAYS COUNTY, TEXAS (2012) (2)
Patterns of yolk testosterone deposition in two populations of Arctic-breeding Redpolls (2012) (2)
Seasonal Changes in Song Repertoire Song without Seasonal (1991) (2)
Pre-basic molt, feather quality, and modulation of the adrenocortical response to stress in two populations of rufous-collared sparrowsZonotrichia capensis (2018) (2)
Comparing the Effects of a Social Cue on Reproductive Development in Seasonally Breeding Migrant and Resident Female Songbirds (Zonotrichia leucophrys) (2017) (2)
Corticosterone has no effect on territorial aggressive behavior in the snow bunting: an Arctic-breeding songbird. (2001) (2)
The tropical photoperiod can be measured by a neotropical bird (1997) (1)
Age-related differences in reproductive physiology of adult male dark eyed juncos (Junco hyemalis). (1998) (1)
Social context modulates sickness behavior (2012) (1)
Copulation activates c-fos expression in neurons of the quail preoptic area that do not normally contain aromatase. (1995) (1)
Stress in paradise: effects of elevated corticosterone on immunity and avian malaria resilience in a Hawaiian passerine (2021) (1)
Reproductive endocrinology of a brood parasite (1984) (1)
Central and peripheral regulators of food intake in the white-crowned sparrow (1992) (1)
Environmental and endocrine regulation of reproduction in song sparrows along an altitudinal gradient. (2001) (1)
Mediators of Stress (2015) (1)
Indirect mechanisms of testosterone-induced immunosuppression in songbirds: a new paradigm. (2002) (1)
Temporal patterns of circulating CH and steroid hormones in a broad parasite, the brown-headed cowbird, Molothurs ater. II: Females (1986) (1)
Seasonal modulation of prolactin and corticosterone secretion in response to acute stress in a short lived arctic breeding bird (2015) (1)
A Novel Stereotaxic-Like Method for Injecting into the Lateral Ventricles of Small Passerine Birds (1997) (1)
Coping with extremes: high-altitude sparrows enhance metabolic and thermogenic capacities in the pectoralis muscle and suppress in the liver relative to their lowland counterparts. (2021) (1)
Immunocytochemical localization of GnRH I and its precursor in the hypothalamus of photorefractory male dark-eyed juncos (Junco hyemalis) of different year classes. (2000) (1)
Weathering the storm: The effect of extreme conditions on stress physiology in two songbird species. (2016) (0)
A comparison of the adrenocortical responses to acute stress in cardueline finches from the Tibetan Plateau, Arctic Alaska and lowland Western North America (2011) (0)
Prevalence of Sarcocystis spp. in Two Subspecies of Caribou (Rangifer tarandus )i n Newfoundland and Labrador, and Foxes (Vulpes vulpes), Wolves (Canis lupus), and Husky Dogs (Canis familiaris) as Potential Definitive Hosts (2006) (0)
Are thyroid hormones integral to migration and breeding (2016) (0)
Seasonal regulation of aromatase and androgen receptor expression in brain regions associated with social behaviour in the free-living male song sparrow, Melospiza melodia morhpna. (2009) (0)
Neuroendocrine and behavioral adaptations to environmental constraints in the Arctic (2006) (0)
Models of Stress (2015) (0)
Adaptations of the hypothalamic-pituitary-adrenal axis of an Arctic breeding songbird, the Smith’s longspur, Calcarius pictus. (2002) (0)
Hepatic corticosterone binding globulin (CBG) mRNA expression across life history stages in migratory and nonmigratory subspecies of White-crowned sparrow (2018) (0)
The effects of 1, 2, 6 and 24 hours of fasting on hypothalamic-pituitary-adrenal axis function, body condition, and activity of wintering male white-crowned sparrows (2017) (0)
Sperm depletion in the polygynandrous Smith's Longspur (Calcarius pictus). (2001) (0)
Volume Information (1990) (0)
Seasonal variations in gonad morphology and hypothalamic GnRH-I and GnIH in Eurasian tree sparrow, a multi-brooded passerine (2022) (0)
DEPARTURE FOR AUTUMN MIGRATION IN THE WHITE-CROWNED SPARROW ( ZONOTRICHIA LEUCOPHRYS GAMBELII ) IS INFLUENCED BY LOCAL WEATHER AND REPRODUCTIVE TIMING (2017) (0)
Testosterone does not increase aggression in the polygynandrous Smith's Longspur (Calcarius pictus). (1999) (0)
GRAND CHALLENGES Comparative endocrinology in the 21st century (2009) (0)
Changes in stress hormone receptors across the breeding season: an adaptation for songbirds breeding at high latitude? (2014) (0)
Dehydroepiandrosterone (DHEA) induces aggression and brain region specific androgen receptor and aromatase mRNA expression (2017) (0)
Differential activation by copulation of Fos immunoreactivity in the brain of male and female quail. (1996) (0)
A determines highly divergent male reproductive morphs in the ruff. (2017) (0)
Seasonal gonadal recrudescence in song sparrows (Melospiza melodia): response to temperature cues. (2000) (0)
Seasonal differences in aromatase (cyp19) mRNA expression in the brain of the free-living male song sparrow, Melospiza melodia morphna. (2009) (0)
Conclusions and the Future (2015) (0)
Influence of the environment on stress physiology: Seasonal differences in the stress response in migrant and resident free-living white-crowned sparrows (Zonotrichia leucophrys) (2018) (0)
Donald Sankey Farner 1915–1988 (1989) (0)
Extreme spring conditions in the Arctic delay spring phenology of long-distance migratory songbirds (2017) (0)
Contents Vol. 20, 2013 (2013) (0)
In memoriam Donald Sankey Farner 1915-1988. (1989) (0)
Endocrinology Gland-by-Gland (1984) (0)
Integrating orientation mechanisms, adrenocortical activity, and endurance flight in vagrancy behaviour (2022) (0)
Division of Comparative Physiology and Biochemistry , Society for Integrative and Comparative Biology Disentangling the Effects of Environment and Life ‐ History Stage on Corticosterone Modulation in (2009) (0)
The Classic Stress Response (2015) (0)
Growing up in the Arctic: Nestling growth rates in two species of passerine. (2016) (0)
Physiology and biochemistry of the domestic fowl: Edited by B. M. Freeman. Academic Press, New York, 1984. xc + 436 pp. Illustr., Subject index, $79.95 (1986) (0)
Legislation for medicated animal feed (1989) (0)
Table of Contents (2014) (0)
The adrenocortical responses to stress in breeding male Chaffinches Fringilla coelebs and Bramblings F. montifringilia in Sweden (2001) (0)
Tropical photoperiodic changes stimulate reproduction in a neotropical bird (1996) (0)
The importance of avian physiology (2022) (0)
High Variability in adrenocortical response to unpredictable stressors in the polygynandrous Smiths longspur (Calcarius pictus). (2000) (0)
Aspects of avian endocrinology: Practical and theoretical implications Edited by . Graduate Studies No. 26, Texas Tech University, Lubbock, Texas, 1982. 411 pp., Illustr., $29.95 (1984) (0)
Intravesicular Phosphatase PHOSPHO1 Function in Enamel Mineralization and Prism Formation (2017) (0)
Environmental variability and longevity predict the speed of the acute glucocorticoid response across birds (2021) (0)
Aggression, body condition, and seasonal changes in sex-steroids in four hummingbird species (2014) (0)
Copulation activates different brain areas in the brain of male and female quail: a Fos immunocytochemical study. (1997) (0)
The challenge hypothesis: behavioral ecology to neurogenomics (2012) (0)
Breeding in an extreme environment: the effects of inter-annual variation in snow cover and snow storms on the timing of arrival and stress physiology in Lapland longspurs (2016) (0)
Development, Environmental, and Maternal Effects (2015) (0)
Perspectives on environmental heterogeneity and seasonal modulation of stress response in neotropical birds (2023) (0)
Supplementary material from "Despotic aggression in pre-moulting painted buntings" (2020) (0)
Copulation differentially activates Fos-like immunoreactivity in the brain of male and female quail. (1995) (0)
Ontogeny and individual heterogeneity of the corticosterone stress response in a wild altricial seabird, the snow petrel (Pagodroma nivea) (2022) (0)
Recommended Reading on Reproduction (1982) (0)
Avian breeding cycles. By R. K. Murton and N. J. Westwood. Oxford University Press, New York, 1978, $48.00, 594 pp (1979) (0)
Neuronal corticosteroid receptor distribution in invasive and native passerine species of the Tibetan plateau (2011) (0)
Book reviewClinical neuroendocrinology: Edited by L. Martini and G. M. Besser. Academic Press, New York, 1978. $39.00 xvii + 610 pp., Illustr., subject index (1980) (0)
Aspects of avian endocrinology: Practical and theoretical implications: Edited by C. G. Scanes, M. A. Ottinger, A. D. Kenny, J. Balthazart, J. Cronshaw, and I. Chester-Jones. Graduate Studies No. 26, Texas Tech University, Lubbock, Texas, 1982. 411 pp., Illustr., $29.95 (1984) (0)
Influence of habitat condition on breeding in Plectrophenax nivalis and Calcarius lapponicus (2004) (0)
Seasonal changes in hypothalamic and pituitary feedback sensitivity in sparrows (2018) (0)
The advent of saturation-analysis techniques (radio- immunoassays and competitive-protein binding assays) for the estimation of avian gonadotropins and steroids in small volumes of plasma (Follett, Scanes and Cun- (2001) (0)
Reproductive success in the White-crowned sparrow (Zonotrichia leucophrys gambelli) and Lapland longspur (Calcarius lapponicus): Reproductive Timing and Implications for Global Change (2015) (0)
The relationship of telomere length to baseline corticosterone levels in nestlings of an altricial passerine bird in natural populations (2016) (0)
Despotic aggression in pre-moulting painted buntings (2020) (0)
Does baseline corticosterone influence inter-annual apparent survival of the Thorn-tailed Rayadito? (2020) (0)
Responses to Natural Perturbations (2015) (0)
Supplementary material from "When do older birds better resist stress? A study of the corticosterone stress response in snow petrels" (2019) (0)
Autumn migratory departure is influenced by reproductive timing and weather in an Arctic passerine (2020) (0)
Gene expression of sex steroid metabolizing enzymes and receptors in the skeletal muscle of migrant and resident subspecies of white-crowned sparrow (Zonotrichia leucophrys) (2022) (0)
Allostasis revisited: A perception, variation, and risk framework (2022) (0)
Changes in Glucocorticoid and Mineralocorticoid Receptor mRNA Expression during the short arctic breeding season in a free living wild song bird the Gambel’s white-crowned Sparrow. (2014) (0)
Sex-specific variation in brown-headed cowbird immunity following acute stress: a mechanistic approach (2012) (0)
Breeding on the leading edge of a northward range expansion: differences in morphology and the stress response in the arctic Gambel’s white-crowned sparrow (2015) (0)
Impacts on Physiological and Behavioral Systems (2015) (0)
Editorial referees, 1987 (1988) (0)
Seasonal modulation of the adrenocortical stress responses in Chilean populations of Zonotrichia capensis (2018) (0)
Overlapping of molt and breeding: an allostatic load perspective (2018) (0)
Edinburgh Explorer Tissue specific expression of 11BHSD and its effects on plasma corticosterone during the stress response (2019) (0)
Seasonal regulation of neural aromatase and androgen receptor expression in the male song sparrow, Melospiza melodia morphna. (2010) (0)
Endocrine and metabolic factors associated with social status in winter flocks of dark-jyed juncos (1984) (0)
Patterns of yolk testosterone deposition in two populations of Arctic-breeding Redpolls (2011) (0)
Corrigendum to “Effects of repeated, acute corticosterone administration on the hypothalamo-pituitary-adrenal axis of the white-crowned sparrow (Zonotrichia leucophrys gambelii)” [Gen. Comp. Endocrinol. 158 (2008) 211–223] (2009) (0)
Ejaculate quality declines when copulation rates are high in the polygynandrous Smith's Longspur. (2001) (0)
C-fos immunocytochemistry identifies neurons activated during sexual behavior in the brain of the Japanese quail. (1996) (0)
Environment and the Earth (2015) (0)
Environmental and Behavioural interactions: Neuroendocrine adaptations. (2004) (0)
Photorefractoriness is not associated with GnRH I depletion in the male White-crowned sparrow (Zonotrichia leucophrys gambelii). (1999) (0)
Testosterone in tropical birds: How high and why? (2004) (0)
Neuroendocrinology: Biological and Clinical Aspects. Proceedings of the Serono Symposia, vol. 19: Edited by A. Polleri and R. M. Macleod. Academic Press, New York/London, 1979. $48.50, ix + 443 pp. illustr., subject index (1981) (0)
Social behaviour and nonapeptide binding in passerine species of the Tibetan plateau. (2015) (0)

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