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DUCKDATA: A Bibliographic Database of North American Waterfowl (Anatidae) and Their Wetland Habitats
"A comprehensive bibliography of published literature on the ecology, conservation, and management of North American waterfowl and their wetland habitats." Search by author, title, source, or keyword. Maintained by the Patuxent Wildlife Research Center, U.S. Geological Survey (USGS).
http://www.pwrc.usgs.gov/rwp/database_descriptions.htm#DUCKDATA

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