Aves | Anseriformes
Environment: milieu / climate zone / depth range / distribution range
Arctic, Northern Pacific and Northern Atlantic. Temperate to polar.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cmmax. published weight: 950.00 g (Ref. 356)
Culmen: 4.545 cm; tarsus: 4.445 cm; wing: 23.0 cm.
Surface diving; dabbling; coastal. Winters at sea in northern regions (Ref. 356).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
SAUP Database. 2006. (Ref. 356)
IUCN Red List Status (Ref. 123251)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 4.2 - 12.3, mean 8.8 (based on 1326 cells).