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  • All fields: Colorado
(79 results)



Display: 20

    • Colorado Butterfly plant

    • Plants; Threatened species;
    • The Colorado butterfly plant is a member of the evening primrose family and is a short-lived perennial herb with one to several reddish, pubescent stems that are 50–80 centimeters (cm) (2–3 feet) tall. The lower leaves are lance-shaped with...
    • Colorado River cutts in a pen.

    • Fishes; Employees (USFWS);
    • Fish biologists with Colorado Division of Wildlife and the USFWS's Colorado Fish and Wildlife Conservation Office collect cutthroat trout from Lake Nanita in Rocky Mountain National Park.
    • Collecting Colorado River cutthroat trout

    • Fishes; Employees (USFWS);
    • Fish biologists with Colorado Division of Wildlife and the USFWS's Colorado Fish and Wildlife Conservation Office collect cutthroat trout from Lake Nanita in Rocky Mountain National Park. Chris Kennedy/USFWS photo.
    • Colorado hookless Cactus

    • Plants; Threatened species;
    • The Colorado hookless cactus is a barrel shaped cactus that ranges from 1.2 to 4.8 inches (in.) (3 to 12 centimeters (cm)) tall, with exceptional plants up to 12 in. (30 cm) tall. Stems range from 1.6 to 3.6 in. (4 to 9 cm) in diameter. The stems...
    • Colorado River

    • Rivers and streams; Riparian environments; Wildlife refuges;
    • The Colorado River near the Cibola National Wildlife Refuge
    • Colorado hookless Cactus

    • Plants; Threatened species;
    • The Colorado hookless cactus is a barrel shaped cactus that ranges from 1.2 to 4.8 inches (in.) (3 to 12 centimeters (cm)) tall, with exceptional plants up to 12 in. (30 cm) tall. Stems range from 1.6 to 3.6 in. (4 to 9 cm) in diameter. The stems...
    • North Park phacelia flowers

    • Plants; Endangered species;
    • North Park phacelia is a federally listed endangered plant known only to occur in Jackson County, Colorado. The majority of known populations occur on a BLM Natural Resource Area located northwest of Walden. It also occurs on the Arapaho NWR in two...
    • Pumping plant and bridge at Lake Havasu

    • Wildlife refuges; Water management; Rivers and streams; Buildings, facilities and structures; Green infrastructure;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Green infrastructure

    • Green infrastructure; Wildlife refuges; Work of the Service; Energy;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • American flag displayed

    • Green infrastructure; Wildlife refuges; Energy; Exhibits;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Green infrastructure

    • Green infrastructure; Wildlife refuges; Work of the Service; Energy;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Butterflies of the last oasis sign

    • Wildlife refuges; Work of the Service; Wildlife viewing; Interpretation; Visitor services; Exhibits; Deserts;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Down by the river interpretative sign

    • Wildlife refuges; Work of the Service; Wildlife viewing; Interpretation; Visitor services; Exhibits;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Fishing pier

    • Wildlife refuges; Wildlife viewing; Fishes; Fishing; Lakes; Recreation; Leisure activities; Green infrastructure;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Black-Footed Ferret

    • 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 the "Black-footed Ferret Recovery...
    • 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 the "Black-footed Ferret Recovery...
    • 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 Recovery...
    • 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 Recovery Plan"...
    • FWS Biologist Prepares Cages for Black-Footed Ferret

    • Endangered species;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 Plan"...
    • 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 Recovery Plan"...

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