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  • All fields: population
(84 results)



Display: 20

    • Aleutian Cacklling Goose Capture and Translocation,1978 - 1991 (Album)

    • AMNWR; Alaska Maritime Wildlife Refuge; Endangered species; Aleutian Cackling Goose; Aleutian Canada Goose; Biological research; Buldir Island; Aleutian Islands; Employees (USFWS)
    • AMNWR biologists worked over an extended period to recover the population of aleutian Cackling goose from endangered to its delisting in 2001. This album pictures the landscape, some of the hardships and activities of these hardy biologists
    • Ankeny National Wildlife Refuge, Oregon

    • Waterfowl; Wildlife refuges
    • Ankeny NWR, Dallas, Oregon: Ankeny National Wildlife Refuge is one of three northwest Oregon refuges set aside in the mid-1960s to protect the declining population of dusky Canada geese. The entire population of duskies winter here and at the other...
    • Atlantic Salmon Parr

    • Fish hatcheries; Anadromous species; Captive breeding; Endangered species;Fisheries management; Fishes; Freshwater fishes; Wildlife restoration; Wildlife management;
    • An Atlantic salmon parr of the Machias River in eastern Maine. Atlantic salmon of the Gulf of Maine Distinct Population Segment (DPS) were listed in an endangered status under the protection of the Endangered Species Act in December 2000. This...
    • Bighorn sheep population management

    • Aviation; Grants; Mammals; Management; Partnerships; Relocation; Resource management; Tagging; Volunteers; Wildlife management; Wildlife restoration;
    • Nevada Department of Wildlife biologists and volunteers working to capture and relocate bighorn sheep in the Muddy Mountains to enhance populations in the Meadow Valley area of Nevada.
    • Biologist conducting a fish population survey

    • Biologists (USFWS); Fishes; Lakes; Grants; Sport fishing; Surveying;
    • Alpine lake fish survey funded as part of Wyoming Game and Fish Department's statewide Sport Fish Restoration grant program
    • 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...
    • Brown bear studies

    • History; Work of the Service; Personnel; Employees (USFWS); Partnerships; Tagging; Monitoring; Radio telemetry;
    • Black and white image of two men leaning over a tranquilized brown bear with radio telemetry devise during tagging and monitoring of bear population in Alaska. NOTE: Alaska Research Library and Information Service (ARLIS)
    • Close shot of Buffle Grass, invasive species.

    • Biological control; Coastal environments; Coastal restoration; Coastal zone management; Ecosystem recovery; Emblems; Employees (USFWS); Grasses; Habitat conservation; Habitat fragmentation; Habitat restoration; Invasive species; Landscape...
    • U.S. Fish and Wildlife Service employee inspects invasive species, Buffle Grass.
    • Columbian White-Tailed Deer

    • Recovered; Mammals; Forests;
    • The Columbian white-tailed deer was federally listed as endangered in 1968, at which time only a small population was known to survive on islands and a small area of mainland in Washington along the lower Columbia River. In 1978, a small population...
    • Columbian White-Tailed Deer

    • Recovered; Mammals; Forests;
    • The Columbian white-tailed deer was federally listed as endangered in 1968, at which time only a small population was known to survive on islands and a small area of mainland in Washington along the lower Columbia River. In 1978, a small population...
    • Eastern Dakotas Survey Area

    • Ground Survey; Waterfowl Population Survey; Waterfowl Survey; Wildlife management; Monitoring; Observation; Sampling; Survey
    •  
    • Easy and safe capture!

    • Employees (USFWS); Endangered species; Experimental Population, Non-Essential; Personnel; Resource management; Wildlife management; Wildlife refuges; Work of the Service;
    • A Red Wolf leaps forward, while biologists capture it to check on it's health and well being. A regular practice at the Alligator National Wildlife Refuge.
    • 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.
    • Female Short-tailed Albatross and Chick

    • Birds; Migratory birds; Endangered species; Islands; Wildlife refuges;
    • This is one of the first images of the female short-tailed albatross with her chick. The chick is the first to be hatched outside of Japan. As of 2010, the short-tailed albatross population is estimated to be 1,200 birds. Of these, the total number...
    • Female Short-tailed Albatross on Chick

    • Birds; Migratory birds; Endangered species; Islands; Wildlife refuges;
    • This is one of the first images of the female short-tailed albatross with her chick. The chick is the first to be hatched outside of Japan. As of 2010, the short-tailed albatross population is estimated to be 1,200 birds. Of these, the total number...
    • Fish flying in formation.

    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Employees (USFWS); Fishes; Fishing; Personnel; Population control; Resource management; Service patch; Uniforms; Wildlife refuges; Work of the Service; Invasive...
    • These Asian carp seem to be flying in formation as they jump out of the water to flee from the electrofishing.
    • FWS Employee Examines California Least Tern Remains

    • Seal Beach National Wildlife Refuge; California; Birds; Shorebirds; Endangered species
    • FWS biologist examines a dead California least tern at its nest on Seal Beach in California. The interior population of least tern was listed as endangered in 1985. Populations along the East and West coasts are not endangered. The interior...
    • FWS Employee with Gopher Tortoise

    • Endangered species; Reptiles; Okefenokee National Wildlife Refuge; Georgia
    • The Gopher Tortoise is one of four tortoises that live in North America. It has been estimated that the Florida population will be reduced nearly 70% by 2000 A.D. and could be eliminated from all but protected lands by 2025 A.D. A combination of...

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