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Greater Scaup

Aythya marila

Least Concern

Envergure

42,7 cm

Poids

984,0 g

Famille

Anatidae

Ordre

Anseriformes

À propos

A medium-sized diving duck. Males have a rounded glossy green-tinged head, white flanks, and black breast; females are brown with white around the bill. Similar to Lesser Scaup but told apart by head shape and nail width. Found on large open water bodies.

Physical Description

Measurement	Value	Imperial
Envergure	42,7 cm	16.8 in
Poids	984,0 g	34.71 oz

Identification

Plumage

Males have glossy green-black rounded head; white flanks and belly; black breast and undertail; gray back. Yellow eye. Bill blue-gray. Females dark brown with white face patch around bill. Longer white wing stripe than Lesser.

Habitat & Range

Breeds on tundra and boreal lakes in the Arctic and subarctic across Eurasia and North America. Winters in large numbers on coastal bays, estuaries, and large lakes in temperate regions.

🌲 Forest 🌿 Wetland 🌾 Grassland 🏖️ Coastal

Répartition géographique

Breeds in the high Arctic of North America; winters offshore on the Atlantic coast from Labrador to South Carolina.

Diet & Feeding

Eats molluscs, crustaceans, and aquatic invertebrates in coastal and freshwater habitats; diet shifts between invertebrate types.

Statut de conservation

Least Concern

IUCN Red List

Comportement et reproduction

Nidification

Nest type: CP. Incubation: 26-28 days. Fledging: 40-45 days.

Taille de la couvée

4-12

Son

Chant

Male gives a low, purring wheeze; female produces a harsh, rolling quacking sequence. Calls are very similar to Lesser Scaup but slightly lower-pitched; heard on open ocean bays in winter.

Taxonomie

Kingdom	Animalia
Phylum	Chordata
Class	Aves
Ordre	Anseriformes (Waterfowl)
Famille	Anatidae (Ducks, Geese & Swans)
Genus	Aythya
Espèces	Aythya marila

Distribution

Greater Scaup has been recorded in 5 countries.

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Présent Not recorded

countries highlighted

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States

External Databases

Foire aux questions

What does the Greater Scaup eat?

Eats molluscs, crustaceans, and aquatic invertebrates in coastal and freshwater habitats; diet shifts between invertebrate types.

Where does the Greater Scaup live?

Breeds on tundra and boreal lakes in the Arctic and subarctic across Eurasia and North America. Winters in large numbers on coastal bays, estuaries, and large lakes in temperate regions.

Is the Greater Scaup endangered?

The Greater Scaup has a conservation status of Least Concern.

How does the Greater Scaup nest?

Nest type: CP. Incubation: 26-28 days. Fledging: 40-45 days.

What does the Greater Scaup sound like?

Male gives a low, purring wheeze; female produces a harsh, rolling quacking sequence. Calls are very similar to Lesser Scaup but slightly lower-pitched; heard on open ocean bays in winter.

How big is the Greater Scaup?

The Greater Scaup has a wingspan of 42.7 cm, weight of 984.0 g.

What order and family does the Greater Scaup belong to?

The Greater Scaup (Aythya marila) belongs to the order Anseriformes and the family Anatidae.