Gadwall

Gadwall
Conservation status: Lower risk (lc)
Gadwall
male
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Anseriformes
Family:Anatidae
Subfamily:Anas
Species:A. strepera
Binomial name
Anas strepera
Linnaeus, 1758

The Gadwall (Anas strepera) is a common and widespread duck which breeds in the northern areas of Europe and Asia and central North America. The range of this bird appears to be expanding into eastern North America.

This dabbling duck is strongly migratory and winters further south than its breeding range. It is not as gregarious as some dabbling ducks outside of the breeding season and tends to form only small flocks.

The Gadwall is 46-56 cm long with a 78-90 cm wingspan. The breeding male is a beautifully patterned grey, with a black rear end and a brilliant white speculum, obvious in flight or at rest. In non-breeding (eclipse) plumage, the drake looks more like the female.

The females are light brown, with plumage much like a female Mallard. They can be distinguished from that species by the dark orange-edged bill, smaller size, and lack of an obvious speculum.

The Gadwall is a bird of open wetlands, such as prairie lakes, wet grassland or marshes with dense fringing vegetation, and usually feeds by dabbling for plant food with head submerged. It nests on the ground, often some distance from water. The young birds are fed insects at first; adults also eat some mollusks and insects during the nesting season.

This is a fairly quiet species. The male has a hoarse whistling call, whereas the female has a mallard-like quack.

Template:Commonsbg:Сива патица de:Schnatterente et:Rääkspart fr:Canard chipeau it:Anas strepera lt:Pilkoji antis nl:Krakeend pl:Kaczka krakwa

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