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The Anseriformes are the waterfowl (screamers, ducks, geese and swans). There are about 150 species and are distributed worldwide except for Antarctica. They inhabit aquatic environments, but some can be found in marine environments outside the breeding season. They are primarily herbivorous, feeding on aquatic vegetation, although they may forage for plankton, arthropods and small fish. They have webbed feet designed for swimming.
Author: Robert Davis
Last updated: 21/11/05
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