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The American wigeon (Mareca americana), also called a baldpate, is a species of dabbling duck found in North America. Formerly assigned to Anas, this species is classified with the other wigeons in the dabbling duck genus Mareca. It is the New World counterpart of the Eurasian wigeon. Mareca is from the Brazilian-Portuguese word Marréco for a small duck and americana refers to America.

The American wigeon is a medium-sized bird; it is larger than a teal, but smaller than a pintail. In silhouette, the wigeon can be distinguished from other dabblers by its round head, short neck, and small bill. This wigeon has two adult molts per year and a juvenile molt in the first year, as well.

The breeding male (drake) is a striking bird with a mask of green feathers around its eyes and a cream colored cap running from the crown of its head to its bill. This white patch gives the wigeon its other common name, baldpate (pate is another word for head). Their belly is also white. In flight, drakes can be identified by the large white shoulder patch on each wing. These white patches flash as the birds bank and turn. In non-breeding (eclipse) plumage, the drake looks more like the female.

The hens are much less conspicuous, having primarily gray and brown plumage. Both sexes have a pale blue bill with a black tip, a white belly, and gray legs and feet. The male whistle makes a wheezy whoee-whoe-whoe, whereas the female has a low growl qua-ack.

It is common and widespread, breeding in all but the extreme north of Canada and Alaska and also in the Interior West through Idaho, Colorado, the Dakotas, and Minnesota, as well as eastern Washington and Oregon.

The American wigeon is a bird of open wetlands. While on the water, wigeon often gather with feeding coots and divers, and are known to grab pieces of vegetation brought to the surface by diving water birds. For this reason, they are sometimes called "poacher" or "robber" ducks. Wigeon also commonly feed on dry land, eating waste grain in harvested fields and grazing on pasture grasses, winter wheat, clover, and lettuce. Having a largely vegetarian diet, most wigeon migrate in the fall well before northern marshes begin to freeze.

The American wigeon is highly gregarious outside of the breeding season and will form large flocks.
These birds were photographed at Bosa Chica.

American Wigeon

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