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  • All fields: Mammals
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    • Over-grazed cattle pasture

    • Over-grazed cattle pasture

    • Environmental Sciences; Agricultural ecosystems; Agriculture; Animal industry; Farms and farming; Mammals; Overgrazing; Ranching;

    • Large herd of cattle on rocky hillside of over-grazed pasture with fence in foreground protecting more lush plant growth.
    • Sea Otters in Capture Pens

    • Sea Otters in Capture Pens

    • Sea Mammals; Sea Otters; Kodiak National Wildlife Refuge; Health Survey.

    • Sea otters in capture pens. Images taken during the 2004-2005 sea otter health survey conducted in partnership with USGS on Kodiak.
    • Black-Footed Ferret  (captive)

    • Black-Footed Ferret (captive)

    • Endangered species;Mammals;Partnerships

    • This photo was taken at the Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed...
    • Black-Footed Ferret (captive)

    • Black-Footed Ferret (captive)

    • Endangered species;Mammals;Partnerships

    • These photos were taken at the Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret...
    • Black-Footed Ferret (captive)

    • Black-Footed Ferret (captive)

    • Endangered species;Mammals;Partnerships

    • This photo was taken at Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret...
    • Black-Footed Ferret (captive)

    • Black-Footed Ferret (captive)

    • Endangered species;Mammals;Partnerships

    • This photo was taken at Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret...
    • FWS Biologist in Black-Footed Ferret Research Pens

    • FWS Biologist in Black-Footed Ferret Research Pens

    • Endangered species;Mammals;Partnerships

    • This photo was taken at Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret Recovery...
    • Black-footed ferret

    • Black-footed ferret

    • Biologists (USFWS); Captive breeding; Employees (USFWS); Endangered species; Equipment; Human impacts; Mammals; Wildlife; Management; Population control; Reintroduction; Scientific personnel (USFWS); Trapping; Wildlife management; Wildlife...

    • Fish and Wildlife Service worker at night holding live trap with ferret inside getting ready to release into research area. For more information on the listing status and fact sheets of black-footed ferrets visit...
    • Bobcat

    • Bobcat

    • Mammals; Wildlife;

    • Bobcat crouched beside dried vegetation near road. Bobcats are medium-sized cats and cousin to the lynx. Their coat varies in color from shades of buff or brown fur with spotted or lined markings in dark brown or black. Their habitat varies from...
    • Fish and Wildlife Service worker holding red wolf pups

    • Fish and Wildlife Service worker holding red wolf pups

    • Captive breeding; Employees (USFWS); Endangered species; Mammals; Reintroduction; Wildlife management; Wildlife restoration;

    • Fish and Wildlife Service worker holding two endangered red wolf pups at St Vincent National Wildlife Refuge in Florida where early captive breeding program was conducted. Vertical. For more information about this species visit...
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