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  • All fields: winter
(911 results)



Display: 20

    • Glacial Zone of Ablation in the Alaska Range

    • Aerial photography photography;Physical Geography; Scenics; Landscapes; Glaciers; Alaska
    • The zone of ablation occurs where summer loss of snow exceeds winter accumulation on a glacier surface. Aerial view of glacier.
    • Noatak River Island

    • Aerial photography; Scenics; Rivers and streams;
    • Aerial view of Noatak River Island in the Winter.
    • Shemya island Cable Bowl N shore

    • ALASKA MARITIME NATIONAL WILDLIFE REFUGE; AMNWR; Birds; birding; Marine birds; habitat; Coastal environments; biology; Aleutian Islands; Aleutians; winter; Snow
    • February 2000
    • Shemya Island Cable Bowl View west

    • ALASKA MARITIME NATIONAL WILDLIFE REFUGE; AMNWR; habitat; Coastal environments; biology; Aleutian Islands; Aleutians; Snow; winter
    • January 2000
    • Wyoming toads and cattle: at home on the range

    • Aquatic animals; Biologists (USFWS); Extinctions; Endangered species; Amphibians;
    • Biologists feared that the Wyoming toad was extinct until 1987 when a fisherman discovered a population at Mortenson Lake on Swanson’s land. The discovery created excitement about a chance to save the species and its habitat, and it led Swanson...
    • Flock of Snow Geese on the refuge

    • Aquatic birds; Aquatic environments; Birds; Scenics; Wildlife refuges; Migratory birds;
    • Because of its position on the Atlantic Flyway, Chincoteague National Wildlife Refuge is an ideal place for birds to rest, feed, nest, or winter.
    • Flight of the Snow Geese

    • Aquatic birds; Aquatic environments; Birds; Scenics; Wildlife refuges; Migratory birds;
    • Because of its position on the Atlantic Flyway, Chincoteague National Wildlife Refuge is an ideal place for birds to rest, feed, nest, or winter.
    • Snow Goose in flight

    • Aquatic birds; Aquatic environments; Birds; Scenics; Wildlife refuges; Migratory birds;
    • Because of its position on the Atlantic Flyway, Chincoteague National Wildlife Refuge is an ideal place for birds to rest, feed, nest, or winter.
    • Migratory flock of Snow Geese

    • Aquatic birds; Aquatic environments; Birds; Scenics; Wildlife refuges; Migratory birds;
    • Because of its position on the Atlantic Flyway, Chincoteague National Wildlife Refuge is an ideal place for birds to rest, feed, nest, or winter.
    • Habitat suitability index models: Gadwall (breeding)

    • Aquatic birds; Biological control; Habitat conservation; Migratory birds; Wetlands;
    • The basis for this HSI model was developed in a workshop that included the following waterfowl biologists form the Northern Prairie Wildlife Research Center, Jamestown, ND: Leo Kirsch (retired), John Lokemoen, and George Swanson. These individuals...
    • Canada Geese swimming in a line

    • Aquatic birds; Coastal environments; Wildlife refuges; Wildlife viewing; Birds;
    • Because of its position on the Atlantic Flyway, Chincoteague National Wildlife Refuge is an ideal place for birds to rest, feed, nest, or winter.

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