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Animal Detail ViewՄանրամասն` նրանց մասին

03.02.2014

Gadwall (Anas strepera)


Scientific classification

Kingdom: Animalia

Phylum: Chordata

Class: Aves

Order: Anseriformes

Family: Anatidae

Genus: Anas

Species: A. strepera

 

Description

The Gadwall is 46–56 cm long with a 84-95 cm wingspan. The male is slightly larger than the female, weighing on average 900 g. The breeding male is patterned grey, with a black rear end, light chestnut wings, and a brilliant white speculum, obvious in flight or at rest. In non-breeding plumage, the drake looks more like the female, but retains the male wing pattern, and is usually greyer above and has less orange on the bill.

Range and Habitat

The Gadwall breeds in the northern areas of Europe and Asia, and central North America. They live in ponds, marshes, shallow rivers and wet meadows.

Behavior

Gadwall feed with other dabbling ducks, tipping forward to feed on submerged vegetation without diving. They sometimes steal food from flocks of diving ducks or coots. You'll often see these ducks in pairs through the winter, because they select their mates for the breeding season as early as late fall.

Diet

The food consist of different types of plants.

Reproduction 

Gadwall breed near seasonal and semi-permanent wetlands, mainly in the short grass and tall grass. Substantial numbers also breed in wetland habitats of the Great Basin. Gadwall tend to begin breeding later than most ducks. Female gadwall nest in fields and meadows, and on islands and dikes in wetlands, and lay an average of 8-12 eggs.

Conservation status

The species listed in the IUCN Red List and evaluated as Least Concern and listed in the Armenian Red Book.

 

 



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