Aves | Anseriformes
Environment: milieu / climate zone / depth range / distribution range
Northern Pacific, Northern Atlantic and the Arctic: UK England, Greenland, Svalbard and Russia. Temperate to polar.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cmmax. published weight: 2.1 kg (Ref. 356)
Culmen: 5.58 cm; tarsus: 5.35 cm; wing: 30.25 cm.
Surface diving; head-dipping; coastal. Winters at sea in northern regions in the North Pacific and North Atlantic (Ref. 356).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
SAUP Database. 2006. (Ref. 356)
IUCN Red List Status (Ref. 124695)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 0.6 - 12.4, mean 6.9 (based on 1546 cells).