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  • All fields: population
(82 results)



Display: 20

    • Short's Goldenrod

    • Flowering plants; Plants; Endangered species; Endangered species;
    • Short's goldenrod is a rhizomatous perennial generally 2 to 2 and one-half feet tall, with alternately arranged narrow leaves about 2 to 4 inches long and O.2 to O.6 of an inch wide. The largest leaves occur near the middle of the stem. Yellow...
    • Short's Goldenrod

    • Flowering plants; Plants; Endangered species;
    • Short's goldenrod is a rhizomatous perennial generally 2 to 2 and one-half feet tall, with alternately arranged narrow leaves about 2 to 4 inches long and O.2 to O.6 of an inch wide. The largest leaves occur near the middle of the stem. Yellow...
    • Eastern Dakotas Survey Area

    • Ground Survey; Waterfowl Population Survey; Waterfowl Survey; Wildlife management; Monitoring; Observation; Sampling; Survey
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    • Short-tailed Albatross on its Nest

    • Birds; Marine birds; Endangered species; Islands; Wildlife refuges;
    • The majestic short-tailed albatross, an endangered seabird, is the largest albatross in the North Pacific with a wing span of 7 to 7.5 feet and golden plumage on its heads and nape. Once thought to be the most abundant albatross species in the...
    • 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...
    • Bighorn sheep population management

    • Aviation; Mammals; 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.
    • Western Snowy Plover Adult Feeding

    • Birds; Shorebirds; Threatened species; Coastal environments;
    • The Pacific Coast population of the western snowy plover is federally listed under the Endangered Species Act of 1973 as threatened. Threats include poor reproductive success, resulting from human disturbance, predation, and inclement weather,...
    • Male Short-tailed Albatross Incubating Egg

    • Birds; Marine birds; Endangered species; Islands; Wildlife refuges;
    • This historic photo documents the first siting of a nesting short-tailed albatross (middle) at Midway Atoll national Wildlife Refuge. The two decoys on either side have been used (along with others and accompanying broadcasts of bird calls) on...
    • Gray wolf release

    • Endangered species; Mammals; Monitoring; Wildlife management;
    • A gray wolf fitted with a radio collar is released into the wild. The gray wolf or Canis lupus, often known simply as the wolf, is the largest extant wild member of the Canidae family. Though once abundant over much of Eurasia, North Africa and...
    • Urban Sprawl Population Density

    • Urban environments; Wildlife refuges;
    • An aerial view of urban sprawl population density over the Crystal River National Wildlife Refuge located in Florida.
    • 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...
    • 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...
    • This fish is trouble!

    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...
    • A Big Muddy National Wildlife Refuge employee holds an Asian carp, (Invasive species), for the camera.
    • The ones that did not get away

    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...
    • Big Muddy National Wildlife Refuge employees hold an Asian carp, (Invasive species), for the camera.
    • The fish are jumping

    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...
    • These Big Muddy National Wildlife Refuge employees electrofish for the Asian carp, (Invasive species).
    • 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.
    • Tree catches fish

    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...
    • This Asian carp, (Invasive species), jumps up to the trees to escape the long arm of the biologists.

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