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  • All fields: DAVID
(204 results)



Display: 20

    • Evidence of Musk Ox on Nunivak Island

    • Wildlife refuges; Yukon Delta National Wildlife Refuge; Species; Animals; Mammals; ARLIS; Alaska
    • A bank used as a rubbing place by musk ox. Note bits of wool adhering to bank. Refuge supervisor David Spencer in photo.
    • White Mountains

    • Scenics; Landscapes; Mountains; Wildlife refuges; Yukon Flats National Wildlife Refuge; Spencer Collection
    • Aerial view of the White Mountains.
    • White Mountains

    • Scenics; Landscapes; Mountains; Wildlife refuges; Yukon Flats National Wildlife Refuge; Spencer Collection
    • Aerial view of the White Mountains.
    • White Mountains

    • Scenics; Landscapes; Mountains; Wildlife refuges; Yukon Flats National Wildlife Refuge; Spencer Collection
    • Aerial view of the White Mountains.
    • New England Cottontail

    • Candidate; Mammals;
    • New England cottontail considered for protection under Endangered Species Act in Kittery, Maine.
    • Moose

    • Mammals; Wildlife refuges;
    • Moose at the Nulhegan Basin Division of the Silvio O. Conte National Wildlife Refuge, VT.
    • Female Spruce Grouse

    • Birds; Wildlife refuges;
    • Female spruce grouse at the Nulhegan Basin Division of the Silvio O. Conte National Wildlife Refuge, VT.
    • Male Spruce Grouse

    • Birds; Wildlife refuges;
    • Male spruce grouse at the Nulhegan Basin Division of the Silvio O. Conte National Wildlife Refuge, VT.
    • Close up of Leatherback turtle

    • Endangered species; Reptiles;
    • The leatherback is the largest, deepest diving, and most migratory and wide ranging of all sea turtles. The adult leatherback can reach 4 to 8 feet in length and 500 to 2000 pounds in weight. Its shell is composed of a mosaic of small bones covered...
    • Close up of Leatherback turtle

    • Endangered species; Reptiles;
    • The leatherback is the largest, deepest diving, and most migratory and wide ranging of all sea turtles. The adult leatherback can reach 4 to 8 feet in length and 500 to 2000 pounds in weight. Its shell is composed of a mosaic of small bones covered...
    • Close up of Leatherback turtle

    • Endangered species; Reptiles;
    • The leatherback is the largest, deepest diving, and most migratory and wide ranging of all sea turtles. The adult leatherback can reach 4 to 8 feet in length and 500 to 2000 pounds in weight. Its shell is composed of a mosaic of small bones covered...
    • Close up of Leatherback turtle

    • Endangered species; Reptiles;
    • The leatherback is the largest, deepest diving, and most migratory and wide ranging of all sea turtles. The adult leatherback can reach 4 to 8 feet in length and 500 to 2000 pounds in weight. Its shell is composed of a mosaic of small bones covered...

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