Aves | Anseriformes
SAUP Database. 2006. (Ref. 356)
Size / Weight / Age
max. published weight: 950.00 g (Ref. 356)
Climate / Range
Northern Pacific and Northern Atlantic.
Culmen: 4.545 cm; tarsus: 4.445 cm; wing: 23.0 cm.
Surface diving; dabbling; coastal. Winters at sea in northern regions (Ref. 356).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models