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  • All fields: Measuring
(97 results)



Display: 20

    • A conversation with Stephen Potter

    • Education; Historic sites; History; Native Americans; Rivers and streams; Podcast; Public Lecture;
    • Stephen discusses his presentation "Aboriginal America and the Potomac Frontier, 1607-1676"
    • 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...
    • American White Pelican

    • Aquatic birds; Species of concern;
    • The American white pelican is one of the largest birds in North America, measuring 6 feet from bill to tail. White pelicans weigh up to 20 pounds and have a wingspan of 8 to 9 and a half feet long.
    • American White Pelicans in flight

    • Aquatic birds; Species of concern;
    • The American white pelican is one of the largest birds in North America, measuring 6 feet from bill to tail. White pelicans weigh up
    • Art Hawkins oral history transcript

    • History; Biography; Personnel; Aviation; Migratory birds; Surveying;
    • Art Hawkins oral history interview with Dorothe Norton as interviewer. Also present is Mr. Hawkins' wife, Betty Hawkins.
    • Art Sowls oral history transcript

    • Employees (USFWS); Biography; History; Maintenance; Birds; Marine birds; Migratory birds; Biologists (USFWS); Rodents; Marine mammals; Outreach; Conservation;
    • Art Sowls oral history interview as conducted by John Cornely.
    • Ave Thayer oral history transcript

    • Biography; Employees (USFWS); History; Hunting; Law enforcement; Trapping; Surveying; Aircraft; Aviation; Mammals; Management; Habitat conservation; Rivers and streams; Wilderness;
    • Ave Thayer oral history interview as conducted by Mark Madison. As well as working at Arctic National Wildlife Refuge and Kenai Moose National Wildlife Refuge, Mr. Thayer also worked in Anchorage under the Alaska Game Commission, and in McGrath,...
    • Best practices for migratory bird care during oil spill response

    • Environmental quality; Migratory birds; Oil spills; Wildlife restoration; Birds
    • This publication is is the result of a Fish and Wildlife Countermeasures Coordination Project undertaken by the U.S. Fish and Wildlife Service (USFWS). The goals of the project include the development of national “best practices” using...
    • Black-footed ferret recovery plan

    • Document; Planning; Recovered; Prairies; Mammals;
    • The Black-footed Ferret Recovery Plan outlines steps for recovery of the black-footed ferret throughout its historical range.
    • 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.
    • Brown pelican: Pelecanus occidentalis

    • Endangered species; Marine birds;
    • Wildlife fact sheet about brown pelicans. The brown pelican, also called American brown pelican or common pelican, inhabits the Atlantic, Pacific, and Gulf Coasts of North and South America.

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