Family: |
Anatidae () |
Max. size: |
46 cm TL (male/unsexed); max.weight: 622.5 g |
Environment: |
others; brackish; marine; depth range 0 - 1 m |
Distribution: |
Northeast Pacific, Northeast Atlantic and the Arctic. Temperate to polar. |
Diagnosis: |
Culmen: 2.555 cm; tarsus: 3.675 cm; wing: 20.15 cm (Ref. 356). Medium-sized duck; male: blue overall; white slashes on shoulder, neck and back; white spots on head and neck; chestnut flanks; female: brown overall; white ear spot (Ref. 94965). |
Biology: |
Depth range based on occurrence (Ref. 115936), to be replaced with a better reference. Surface diving; dabbling; coastal. Diet: Crabs (mainly Hemigrapsus nudus, Pagurus spp.), gastropods, polychaetes, amphipods, chitons, Mytilus edulis, limpets, barnacles, Clupea pallasi (eggs) and algae (Ref. 3985). |
IUCN Red List Status: |
(LC); Date assessed: 07 August 2018 Ref. 123251)
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Threat to humans: |
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Country info: |
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