Aves | Anseriformes
Environment: milieu / climate zone / depth range / distribution range
Northern Pacific, Northeast Atlantic and the Arctic. Polar to Temperate.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cmmax. published weight: 807.50 g (Ref. 356)
Culmen: 3.9 cm; tarsus: 3.805 cm; wing: 21.15 cm.
Surface diving; dabbling; coastal (Ref. 356). Feeds on gastropod, bivalve, isopod, amphipod and echinoderm (Ref. 4602).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
SAUP Database. 2006. (Ref. 356)
IUCN Red List Status (Ref. 120744)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 2.3 - 10.4, mean 6.7 (based on 1546 cells).