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Ducks saved, Spokane, Washington, United States
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Ducks Saved, Spokane, Washington, United States

Dabbling ducks feed on the surface of water or on land, or as deep as they can reach by up-ending without completely submerging. Along the edge of the beak there is a comb-like structure called a pecten. This strains the water squirting from the side of the beak and traps any food. The pecten is also used to preen feathers.
A few specialized species such as the smew, goosander, and the mergansers are adapted to catch and swallow large fish.
The others have the characteristic wide flat beak designed for dredging-type jobs such as pulling up waterweed, pulling worms and small molluscs out of mud, searching for insect larvae, and bulk jobs such as holding and turning headfirst and swallowing a squirming frog. To avoid injury when digging into sediment it has no cere. but the nostrils come out through hard horn.

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Filename:129362.jpg
Album name:Fauna & Flora
Rating (1 votes):55555
Keywords:#ducks #saved #spokane #washington #usa
Filesize:57 KiB
Date added:May 21, 2009
Dimensions:700 x 420 pixels
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