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  • All fields: Cygnus
(55 results)



Display: 20

    • Waterfowl population status 2006

    • Waterfowl; Population control; Surveying; Habitat conservation; Birds;
    • In North America the process of establishing hunting regulations for waterfowl is conducted annually. In the United States the process involves a number of scheduled meetings in which information regarding the status of waterfowl is presented to...
    • Two trumpeter swans at Tetlin National Wildlife Refuge

    • Waterfowl; Wildlife refuges; Grasses; Threatened species; Birds
    • The Alaska Highway is the northern boundary of the 682,604 acre Tetlin Refuge for 65 miles northwest of Alaska-Yukon border. From scenic overlooks you can view wetlands important to breeding waterfowl, and boreal forests and alpine habitats...
    • Tundra Swans

    • Birds; Wildlife refuges;
    • Tundra swans in flight at Back Bay National Wildlife Refuge, VA.
    • Tundra swans

    • California; Waterfowl; Lower Klamath NWR; National Wildlife Refuge
    •  
    • Tundra Swan - Banding

    • Birds; swans; Tundra swans; Yukon Delta NWR; banding; research; Alaska; Craig Ely; avian influenza; avian influenza sampling; AI; Donna Dewhurst Collection
    • USGS Biologist Craig Ely bands a tundra swan prior to avian influenze sampling, Yukon Delta NWR.
    • Trumpeter swans in flight at Yukon Flats National Wildlife Refuge

    • Wildlife Refuges; Waterfowl; Landscape photography; Migratory birds;
    • The Yukon Flats National Wildlife Refuge was established to conserve fish and wildlife populations and habitats in their natural diversity including nesting waterfowl, other migratory birds, dall sheep, bears, moose, wolves, wolverines, other...
    • Trumpeter swans at Tetlin National Wildlife Refuge

    • Wildlife refuges; Waterfowl; Lakes;
    • The Alaska Highway is the northern boundary of the 682,604 acre Tetlin Refuge for 65 miles northwest of Alaska-Yukon border. From scenic overlooks you can view wetlands important to breeding waterfowl, and boreal forests and alpine habitats...
    • Trumpeter swan

    • Waterfowl; Wildlife refuges; Aquatic birds;
    • The Alaska Highway is the northern boundary of the 682,604 acre Tetlin Refuge for 65 miles northwest of Alaska-Yukon border. From scenic overlooks you can view wetlands important to breeding waterfowl, and boreal forests and alpine habitats...
    • Trumpeter swan

    • Birds; Migratory birds; Waterfowl;
    • Banded Trumpeter Swan hen with four young swimming in reeds. This is the largest waterfowl species native to North America. Most weigh 21-30 pounds, males are larger and may exceed 35 pounds.The Trumpeter Swan is the largest waterfowl species...
    • Trumpeter Swan

    • Birds; Migratory birds; Waterfowl;
    • Single bird standing on shore of icy water.

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