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Stiff-tailed duck

Stiff-tailed Ducks
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Anseriformes
Family†:Anatidae
Genera
Oxyura
† For other ducks,
see also: Anatidae

The stiff-tailed ducks are part of the Oxyurinae subfamily of ducks. All have, as their name implies, long stiff tail feathers, which are erected when the bird is at rest. All have relatively large swollen bills.

These are freshwater diving ducks. Their legs are set far back, making them awkward on land, so they rarely leave the water.

Their unusual displays involve drumming noises from inflatable throat-sacs, head throwing, and erecting short crests.

Plumage sequences are complicated, and aging difficult.

the six species are:



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