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  • All fields: Mammals
(1270 results)



Display: 20

    • Young Piebald Deer

    • Wildlife viewing; Wildlife management; Work of the Service; Mammals;
    • Deer walking in a field at the National Conservation Training Center.
    • Young Piebald Deer

    • Wildlife viewing; Wildlife management; Work of the Service; Mammals;
    • Deer walking in a field at the National Conservation Training Center.
    • Young Piebald Deer

    • Wildlife viewing; Wildlife management; Work of the Service; Mammals;
    • Deer walking in a field at the National Conservation Training Center.
    • Young Piebald Deer

    • Wildlife viewing; Wildlife management; Work of the Service; Mammals;
    • Deer standing in a field at the National Conservation Training Center.
    • Young Bull Walrus

    • Ice; Snow; Mammals; Marine mammals;
    • A young Pacific Walrus bull in coastal Alaska waters.
    • Wooden structure covered in antlers

    • Artifacts; Buildings, facilities and structures; Crafts; Exhibits; Human impacts; Mammals; Memorial; Scenics;
    • This is a wooden structure that is covered in antlers mounted to the roof in Alaska.
    • Wood Bison

    • Mammals; Endangered species;
    • Wood bison are the largest native land mammals in the Western Hemisphere, 10 to 15% heavier than plains bison. Bulls are slightly larger than cows and average around 1,800 pounds, but can get up to 2,000 pounds. Both males and females have short...
    • Wood Bison Calf

    • Mammals; Endangered species;
    • During the early 1800s, wood bison numbers were estimated at 168,000, but by the late 1800s, the subspecies was nearly eliminated. Excessive hunting was the primary factor leading to population decline. Another factor that is thought to have played...
    • Wolf watches biologists in Yellowstone National Park

    • Mammals; Work of the Service; Radio telemetry;
    • 130 pound wolf watches biologists in Yellowstone National Park after being captured and fitted with a radio collar on 1-9-03. Higher resolution of this image not available.

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