Canvasback

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31	Thursday, July 24, 2008 Part II Department of the Add to Reading List Source URL: www.fws.gov Language: English - Date: 2009-06-12 16:41:06 Greater Scaup Waterfowl hunting Central Flyway Lesser Scaup Flyway Hunting Wood Duck Bird migration Canvasback Ornithology Aythya Ducks
32	Research Article Mute Swans’ Impact on Submerged Aquatic Vegetation in Chesapeake Bay KETAN S. TATU, Division of Forestry and Natural Resources, West Virginia University, P.O. Box 6125, Morgantown, WV 26506, USA JAMES Add to Reading List Source URL: www.dnr.maryland.gov Language: English - Date: 2014-07-29 14:01:58 Fauna of South America State governments of the United States Mute Swan Anatidae Chesapeake Bay Program Chesapeake Bay Canvasback Herbivore Swans Cygnus Ornithology
33	PDF Document Add to Reading List Source URL: actazool.nhmus.hu Language: English - Date: 2009-01-16 02:20:32 Zoology Aythya Anas Birds of Australia Breton National Wildlife Refuge Redhead Seagrass Laguna Madre Canvasback Ducks Ornithology Birds of North America