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  • All fields: population.
(5 results)



Display: 20

    • Endangered Fender's Blue Butterfly

    • Endangered Fender's Blue Butterfly
    • Insects; Endangered species; Wildlife refuges;
    • Fender's blue butterfly is an endangered butterfly species. Baskett Slough National Wildlife Refuge has the largest known remaining population.
    • Tricolored Blackbird

    • Tricolored Blackbird
    • Birds; Perching birds; Wildlife refuges; Endangered species;
    • A close-up view of the Tricolored Blackbird photographed in the Lower Klamath National Wildlife Refuge located in California. According to the International Union for Conservation of Nature and Natural Resources the status of the Tricolored...
    • Pinyon Jay

    • Pinyon Jay
    • Birds; Perching birds; Wildlife refuges;
    • A close-up view of a Pinyon Jay perched on a branch in the Deshutes National Forest. According to the International Union for Conservation of Nature and Natural Resources' Red List the status of the Pinyon Jay is vulnerable with a decreasing...
    • Information map: Polar Bear denning 1981-2001

    • Information map: Polar Bear denning 1981-2001
    • Subpolar environments; Coastal environments; Wildlife Wildlife refuges; Mammals; Tundra; Alaska map
    • Map showing denning locations of pregnant female polar bears of the Beaufort Sea population. (Map information on separate sheet).
    • Information map: Polar bear denning 1981-2001

    • Information map: Polar bear denning 1981-2001
    • Subpolar environments; Coastal environments; Widllife Wildlife refuges; Mammals; Tundra; Alaska map;
    • Map showing denning locations of pregnant female polar bears of the Beaufort Sea population. With map information on separate image.

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