According to Wikipedia, Hrefna Sigurjónsdóttir is a biologist and a professor at the University of Iceland. Professional career Hrefna completed the national standard lower secondary school examination from Kvennaskólinn í Reykjavík in 1966 and a matriculation examination from the Mathematics Department of Menntaskólinn í Reykjavík in the spring of 1970. She graduated from the University of Iceland with a BS in biology in the spring of 1973. Her final project was on the ecology of insects. A year later, she finished a graduate program from the same department , emphasising insects and other land arthropods. She investigated their abundance and distribution on the south side and top of Mt. Esja. She pursued studies in ecology at University College of North Wales, Bangor, and completed a master's there. The research project was on competition for food between closely related freshwater flatworms. She worked under the supervision of Prof. T. Reynoldson. Hrefna started a doctoral programme in 1977 in the Zoology Department of the University of Liverpool in England and completed it in 1980. Her supervisor there was Professor G.A. Parker who was a pioneer in evolutionary studies emphasising reproductive behaviour and evolution of differences between the sexes and had worked a great deal on the yellow dung fly. Hrefna's doctoral project was in this field, where the emphasis is to interpret animals' behaviour, in the light of ecology and evolution . The title of the dissertation is Evolutionary Aaspects of Sexual Dimorphism in Size: Studies on Dung Flies and Three Groups of Birds. She was the first woman in Iceland to complete a doctorate in animal ethology. After returning home, she completed teacher certification at the University of Iceland .
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