French: Petit Garrot German: Büffelkopfente Spanish: Porrón albeola
America = Newfoundland
Breeds from Alaska E through C Canada to Hudson Bay and Great Lakes, and S to NW USA; isolated breeding populations in NW & NC USA. Winters from S Alaska, Great Lakes and Nova Scotia S to N Mexico.
32–40 cm; male 335–600 g, female 230–470 g; wingspan 54–61 cm. Unmistakable. Male in breeding plumage has black head with striking iridescent gloss on... read more
Audible only at close range and comparatively infrequently heard: male gives grating call during... read more
Relativelysmall (1–100 ha), shallow (< 5 m deep) lakes and pools, usually without or with... read more
Food and feeding
Aquatic invertebrates (insects and their larvae, especially Odonata, Coleoptera, Corixidae and Tendipedidae, are often main food items in... read more
Starts late Apr/early May, as soon as areas become ice-free. Monogamous, with pair-bonds usually formed during migration (rarely before)... read more
Migratory, with initial movements away from breeding grounds to moulting areas by males in Jun... read more
Status and conservation
Not globally threatened (Least Concern). Fairly common. Total world population at onset of breeding season estimated at c. 750,000 birds in mid 1970s and 800,000 in 1980,... read more
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