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    • Zebra mussels on rudder

    • Zebra mussels on rudder
    • Invasive species; Aquatic environments;
    • Zebra mussels can attach themselves to boats and thereby inadvertantly be transferred to different waterways where they spread. Important for boaters in infected areas to be sure to careful clean their boat hulls/rudders, etc to prevent the spread...
    • Wooden structure at Selawik National Wildlife Refuge in Alaska

    • Wooden structure at Selawik National Wildlife Refuge in Alaska
    • Buildings, facilities and structures; Radio telemetry; Wildlife refuges; Rural environments;
    • This is a Selawik National Wildlife Refuge view of a wooden structure, antenna, and fence positioned on a hill. In a remote corner of northwestern Alaska lies Selawik Refuge, a special place of extreme climate, free-flowing rivers, and abundant...
    • Wooden structure at Selawik National Wildlife Refuge

    • Wooden structure at Selawik National Wildlife Refuge
    • Wildlife refuges; Climate change; Rivers and streams; Wildlife management; Work of the Service; Buildings, facilities and structures
    • This image depicts a Selawik National Wildlife Refuge building and pile of caribou antlers nearby. In a remote corner of northwestern Alaska lies Selawik Refuge, a special place of extreme climate, free-flowing rivers, and abundant wildlife. Here...
    • Wolf

    • Wolf
    • Mammals; Mammals;
    • The black wolf here is melanistic, meaning that it has black pigments in the fur rather than the regular gray/grey that one usually sees. The extreme opposite of this would be the white/albino where there is an absence of pigment throughout.;...
    • Wind energy at Selawik National Wildlife Refuge

    • Wind energy at Selawik National Wildlife Refuge
    • Energy; Water management; Wildlife refuges; Weather impacts;
    • This picture depicts wind energy at Selawik NWR. In a remote corner of northwestern Alaska lies Selawik Refuge, a special place of extreme climate, free-flowing rivers, and abundant wildlife. Here where the boreal forest of Interior Alaska meets...
    • Wildlife Drive observation tower.

    • Wildlife Drive observation tower.
    • Aquatic environments; Birdwatching; Buildings, facilities and structures; Coastal environments; Connecting people with nature; Environments (Natural); Leisure activities; Marine environments; Landscape photography; Places (Human-made); Ponds;...
    • This observation tower located on Wildlife Drive offers visitors a grand view of the impoundment areas of the refuge, where most of the birds feed daily.
    • Wilderness camping and hunting at Selawik National Wildlife Refuge

    • Wilderness camping and hunting at Selawik National Wildlife Refuge
    • Camping; Leisure activities; Hunting; Wildlife viewing; Wildlife refuges; Wilderness;
    • This is a picture of someone camping and scoping out the refuge. In a remote corner of northwestern Alaska lies Selawik Refuge, a special place of extreme climate, free-flowing rivers, and abundant wildlife. Here where the boreal forest of...
    • White-tipped Reef Sharks

    • White-tipped Reef Sharks
    • Underwater photography; Fishes; Marine environments; Islands;
    • Divers happened upon 15 white-tipped reef sharks sleeping next to the northwest seawall, where there are usually only one to three white-tips indicating that it may have been mating season for the sharks. The sharks were photographed in...
    • White-haired Goldenrod

    • White-haired Goldenrod
    • Flowering plants; Plants; Endangered species;
    • This yellow flower is threatened. The primary threat to the survival of white-haired goldenrod is the many visitors to rockshelters in the Red River Gorge area each year. In 1989, approximately 260,000 people visited the Red River Gorge Geological...
    • Where is that turtle?

    • Where is that turtle?
    • Artifacts; Automobiles; Connecting people with nature; Emblems; Equipment; Icons; Personnel; Amphibians; Service patch; Uniforms; Volunteers; Wildlife refuges; Work of the Service;
    • U.S. Fish and Wildlife Service volunteer holds empty turtle shell.
    • Wet pine savanna

    • Wet pine savanna
    • Trees; Habitat conservation; Wildlife refuges;
    • Pine savannas are open, nearly treeless, fire-dependent plant communities dominated by well-developed ground cover and some low-growing shrubs with only scattered trees. The refuge is approx. 5216 acres pine savanna. The original presettlement...
    • Wet pine savanna

    • Wet pine savanna
    • Trees; Habitat conservation; Wildlife refuges;
    • Pine savannas are open, nearly treeless, fire-dependent plant communities dominated by well-developed ground cover and some low-growing shrubs with only scattered trees. The refuge is approx. 5216 acres pine savanna. The original presettlement...
    • Wet pine savanna

    • Wet pine savanna
    • Trees; Habitat conservation; Wildlife refuges;
    • Pine savannas are open, nearly treeless, fire-dependent plant communities dominated by well-developed ground cover and some low-growing shrubs with only scattered trees. The refuge is approx. 5216 acres pine savanna. The original presettlement...
    • Wet pine savanna

    • Wet pine savanna
    • Trees; Habitat conservation; Wildlife refuges;
    • Pine savannas are open, nearly treeless, fire-dependent plant communities dominated by well-developed ground cover and some low-growing shrubs with only scattered trees. The refuge is approx. 5216 acres pine savanna. The original presettlement...
    • Wet pine savanna

    • Wet pine savanna
    • Trees; Habitat conservation; Wildlife refuges;
    • Pine savannas are open, nearly treeless, fire-dependent plant communities dominated by well-developed ground cover and some low-growing shrubs with only scattered trees. The refuge is approx. 5216 acres pine savanna. The original presettlement...
    • Waterways at Selawik NWR in Alaska

    • Waterways at Selawik NWR in Alaska
    • Wildlife refuges; Wetlands; Wildlife viewing; Photography; Scenics;
    • In a remote corner of northwestern Alaska lies Selawik Refuge, a special place of extreme climate, free-flowing rivers, and abundant wildlife. Here where the boreal forest of Interior Alaska meets the arctic tundra, thousands of waterfowl,...
    • Waterways at Selawik NWR in Alaska

    • Waterways at Selawik NWR in Alaska
    • Wildlife refuges; Wetlands; Wildlife viewing; Photography; Scenics;
    • In a remote corner of northwestern Alaska lies Selawik Refuge, a special place of extreme climate, free-flowing rivers, and abundant wildlife. Here where the boreal forest of Interior Alaska meets the arctic tundra, thousands of waterfowl,...
    • Walrus Cows and Yearlings on Ice

    • Walrus Cows and Yearlings on Ice
    • Ice; Mammals; Marine mammals;
    • Walrus cows and yearlings resting on ice. The Walrus lives near relatively shallow water where it spends much of its time looking for benthic bivalve mollusks, its preferred diet. The Walrus is a social animal and spends much of its time on sea...

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