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  • All fields: Cygnus
(59 results)



Display: 20

    • Mute Swan

    • Animals; aves; Birds; Birds; exotic; invasive ;New Jersey
    • Mute swans are among the most beautiful of the seven swan species in the world. They have little or no fear of humans, they are easily observable and provide opportunities for people to come in close contact with wildlife. The young have a dusky...
    • Mute Swan

    • Aquatic birds; Birds; Waterfowl;
    • A profile view of a mute swan in the water at the Chesapeake Bay.
    • Mute Swan

    • Aquatic birds; Waterfowl; Birds;
    • A profile view of a mute swan in the water at the Chesapeake Bay.
    • Lead hazards to fish, wildlife, and invertebrates: a synoptic reivew

    • Biologists (USFWS); Water; Fishes; Pollutants;
    • Lead (Pb) and its compounds have been known to man for about 7,000 years, and Pb poisoning has been recognized for at least 2,500 years. All credible evidence indicates that Pb is neither essential nor beneficial to living organisms, and that all...
    • Measuring a Tundra Swan

    • Biology; science; research; Tundra swans; swans; swan; Alaska; Yukon Delta NWR; avian influenza; avian Influenza sampling; AI; Birds flu; Donna Dewhurst Collection
    • USGS Biologist Dan Rizzolo measures the bill length on a tundra swan, prior to banding and avian influenza sampling.
    • Mute Swan

    • Birds; Coastal environments; Wildlife refuges;
    • Mute swan at Nantucket National Wildlife Refuge, MA.
    • Trumpeter swan

    • Birds; Migratory birds; Waterfowl;
    • Three swans swimming in icy water with snow and brush on banks.
    • Trumpeter Swan

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

    • Birds; Waterfowl;
    • Photo was taken on Amchitka Island, Alaska Maritime NWR.
    • Man holds trumpeter swan during demonstration

    • Birds; Waterfowl; Bird banding; Endangered species; Education outreach; Children; Connecting people with nature; Events;
    • Iowa Department of Natural Resources employee Dave Hoffman holding a trumpeter swan in his arms at a demonstration held during International Migratory Bird Day. This bird was released as part of a swan restoration project.
    • 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
    •  

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