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Emperor goose
Anser canagicus, Sevastianov, 1802
Emperor geese nest in Alaska and north-eastern Siberia (the Bering Sea coast). They show no sexual dimorphism, i.e. there are no differences in appearance between male and female specimens. Due to their geographical origins they are resistant birds, which is why they tolerate the winter conditions in Poland very well. They mate for life. In July they go through moulting, which means that they exchange their feathers and can’t fly for a while. This is the most dangerous period for these geese, since it is when they often fall victim to Eskimos.
Distribution: Alaska, Northeastern Siberia; winters on the Aleutian Islands and on the shores of the Pacific Ocean
male / female
body length: 66–85 cm
wingspan: ca. 119 cm
body mass: 2,7–3,2 kg