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Histrionicus histrionicus (Linnaeus, 1758) Harlequin duck |
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| 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) | |||
| Threat to humans: | ||||
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