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  • All fields: 13
(111 results)



Display: 20

    • Sandhill cranes

    • Birds; Estuarine environments; Wildlife refuges;
    • Sandhill cranes at the Merced National Wildlife Refuge.
    • Jibboom Street Bridge over the American River

    • Rivers and streams; Urban environments;
    • View of the Jibboom Street Bridge crossing over the American River in Sacramento. The American River flows into the Sacramento River just below the Jibboom Street Bridge.
    • Desert National Wildlife Refuge

    • Mountains; Trees; Vegetation; Desert plants; Deserts; Wildlife refuges;
    • View of mountains in the distance with a desert tree in the foreground on the Desert National Wildlife Refuge.
    • Desert National Wildlife Refuge

    • Deserts; Trees; Vegetation; Mountains; Wildlife refuges;
    • View of mountains in distance with trees in foreground on the Desert National Wildlife Refuge.
    • Desert National Wildlife Refuge

    • Trees; Mountains; Hills; Deserts; Wildlife refuges;
    • View of a lone tree on a hillside in a mountainous region of the Desert National Wildlife Refuge.
    • Bull Walrus Swimming

    • Mammals; Marine environments; Marine mammals;
    • A large Pacific Walrus bull swimming in frigid Alaska waters. This walrus lives near the shallow water areas of the Pacific Alaska coast and subsists mostly on benthic bivalve mollusks.
    • Pacific Walrus Bull Hauled Out

    • Snow; Ice; Mammals; Marine mammals; Marine environments;
    • A Pacific Walrus bull is hauled out on the ice in coastal Alaska waters.
    • Pacific Walrus Bull

    • Ice; Mammals; Marine mammals; Snow;
    • A large Pacific Walrus bull watches the camera. The adult bulls can weigh up to 3,700 pounds.
    • Close-up of Snake

    • Reptiles; Wildlife refuges;
    • A close up image of a snake on Deer Flat National Wildlife Refuge
    • Masked Boobies with Chick

    • Birds; Marine birds; Islands; Wildlife refuges; Tropical environments;
    • Masked boobies with their chick on Tern Island at Hawaiian Islands National Wildlife Refuge, part of the Papahānaumokuākea Marine National Monument.
    • Mt. Adams 2008 Wildfire

    • Fires; Mountains; Wildlife refuges;
    • A wildfire on Mt. Adams in 2008 as viewed from Conboy National Wildlife Refuge.
    • Pedestrian Underpass Installation

    • Structures; Riparian environments; Rivers and streams; Habitat restoration; Wetland restoration; Wetlands; Wildlife refuges;
    • The pedestrian underpass installation under in North Bank Lane nearing completion.
    • Rolling Fill Material

    • Structures; Riparian environments; Rivers and streams; Habitat restoration; Wetland restoration; Wetlands; Wildlife refuges;
    • Following delivery by truck, fill material is immediately spread and compacted.
    • Fish Friendly Culvert

    • Structures; Riparian environments; Rivers and streams; Habitat restoration; Wetland restoration; Wetlands; Wildlife refuges; Fishes; Fisheries management;
    • Federal Highways Administration subcontractor Tidewater Contractors fills the bottom of the newly installed Fahys Creek culvert with river gravels for fish habitat.
    • Logs in Redd Creek

    • Structures; Riparian environments; Rivers and streams; Habitat restoration; Wetland restoration; Wetlands; Wildlife refuges; Fishes; Fisheries management;
    • Large logs placed in Redd Creek channel will provide fish habitat for coastal cutthroat trout, coho and Chinook salmon.
    • Removing a Dike in the Cranberry Bog

    • Structures; Riparian environments; Rivers and streams; Habitat restoration; Wetland restoration; Wetlands; Wildlife refuges;
    • Ducks Unlimited subcontractor Knife River's D8 bulldozer cutting down the cranberry bog dikes and contouring the bog to restore forested wetland habitat.

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