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Greater Scaup

Aythya marila

Least Concern

Envergadura

42,7 cm

Peso

984,0 g

Familia

Anatidae

Orden

Anseriformes

Acerca de

El porrón bastardo o porrón de Islandia es un gran pato buceador que cría en la tundra y la taiga del norte de Europa, Asia y América del Norte. El macho tiene la cabeza verde-negro iridiscente, el pecho negro y los flancos y el dorso de color blanco grisáceo. Inverna en costas, bahías y estuarios, siendo muy tolerante a las condiciones marinas de agua salada.

Physical Description

Measurement	Value	Imperial
Envergadura	42,7 cm	16.8 in
Peso	984,0 g	34.71 oz

Identificación

Plumaje

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.

🌲 Bosque 🏖️ Costero 🌿 Humedal 🌾 Pastizal

Distribución geográfica

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.

Estado de conservación

Least Concern

IUCN Red List

Comportamiento y reproducción

Nidificación

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

Tamaño de la puesta

4-12

Sonido

Canto

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.

Taxonomía

Kingdom	Animalia
Phylum	Chordata
Class	Aves
Orden	Anseriformes (Aves Acuáticas)
Familia	Anatidae (Patos, Gansos y Cisnes)
Genus	Aythya
Especies	Aythya marila

Distribution

Greater Scaup has been recorded in 5 countries.

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Presente Not recorded

countries highlighted

🇧🇪 Bélgica 🇩🇰 Dinamarca 🇺🇸 Estados Unidos 🇳🇴 Noruega 🇸🇪 Suecia

External Databases

Preguntas frecuentes

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.