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Northern Prairie Wildlife Research Center

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Ducks at a Distance
A Waterfowl Identification Guide


GIF -- Picture of Swans

Once thought to be rare, trumpeter swans are slowly increasing in Alaska and on western refuges and parks. Whistling swans are common and increasing. They winter near Chesapeake Bay, San Francisco Bay, Puget Sound and salton Sea. Occasionally found in fields. Both species are large with pure white plumage.

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