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Display: 20

    • John Gottschalk oral history transcript

    • History; Biography; Directors (USFWS); Employees (USFWS); Fishes; Fisheries management; Fishing; Sport fishing; Wetlands; Wilderness; Wildlife management; Wildlife refuges; Work of the Service;
    • Oral history interview with John Gottschalk. Arden Trandahl as interviewer.
    • A guide to nestling development and aging in altricial passerines

    • Birds; Perching birds; Research; Statistics;
    • This is a guide to altricial passerines. It has an explanation of variables used for aging birds and an explanation of methodology employed, and provides information obtained while recording the early aging of the Dusky Flycatcher, the Carolina...
    • Avian Influenza Sampling Project 2006

    • Work of the Service; Birds; Habitat conservation
    • Chris Nicholai capturing and testing Brants at Tutakoke Bird Camp. Image taken between June 14 - June 20, 2006.
    • Avian Influenza Sampling Project 2006

    • Work of the Service; Birds; Coastal environments;
    • Chris Nicholai capturing and testing Brants at Tutakoke Bird Camp. Image taken between June 14 - June 20, 2006.
    • Avian Influenza Sampling Project 2006

    • Work of the Service; Birds
    • Brant nest with numbered egg. Tutakoke Bird Camp, Coast of the Bering Sea just south of Hooper Bay, Alaska, near Chevak, Alaska. This image taken between June 14 - June 20, 2006.
    • California condor

    • Raptors; Endangered and/or Threatened species; Birds; Birds of prey; Captive breeding
    • Condor Y89 sunning at Lion Canyon, California. December 14, 1993.
    • Bluethroat Male

    • Birds; Migratory birds
    • The Bluethroat is one of the smallest members of the Thrush family measuring 5.5 (14 cm) inches in length. The colorful blue throat pattern distinguishes this breeding male from other species. Nests are found on the tundra in thickets near water.
    • Bluethroat Male

    • Birds; Migratory birds
    • The Bluethroat is one of the smallest members of the Thrush family measuring 5.5 (14 cm) inches in length. The colorful blue throat pattern distinguishes this breeding male from other species. Nests are found on the tundra in thickets near water....
    • Bluethroat Male

    • Birds; Migratory birds
    • The Bluethroat is one of the smallest members of the Thrush family measuring 5.5 (14 cm) inches in length. The colorful blue throat pattern distinguishes this breeding male from other species. Nests are found on the tundra in thickets near water....
    • Bluethroat male

    • Birds; Tundra;
    • The Bluethroat is one of the smallest members of the Thrush family measuring 5.5 (14 cm) inches in length. The colorful blue throat pattern distinguishes this breeding male from other species. Nests are found on the tundra in thickets near water....
    • Bluethroat Male

    • Birds; Migratory birds
    • The Bluethroat is one of the smallest members of the Thrush family measuring 5.5 (14 cm) inches in length. The colorful blue throat pattern distinguishes this breeding male from other species. Nests are found on the tundra in thickets near water.
    • Bluethroat male

    • Birds; Perching birds;
    • The Bluethroat is one of the smallest members of the Thrush family measuring 5.5 (14 cm) inches in length. The colorful blue throat pattern distinguishes this breeding male from other species. Nests are found on the tundra in thickets near water.
    • Mission Blue larvae

    • Insects; Endangered and/or Threatened species;
    • An ant walks across a Mission Blue larvae. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S. Endangered Species Act.
    • Mission Blue Butterfly

    • Insects; Endangered and/or Threatened species;
    • A female Mission Blue butterfly rests on a yarrow plant located on the Southeast ridge of San Bruno Mountain, California. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the...

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