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  • All fields: Orange
(151 results)



Display: 20

    • 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...
    • A talk with Nancy Langston

    • Biological control; Biologists (USFWS); Diseases; Environmental education; Farms and farming; Podcast; Public Lecture;
    • In 1941 the Food and Drug Administration approved the use of diethylstilbestrol (DES), the first synthetic chemical to be marketed as an estrogen and one of the first to be identified as a hormone disruptor—a chemical that mimics hormones. Its...
    • Aerial of restoration site

    • Aerial photography; Habitat restoration; Wildlife refuges
    • Converting recently purchased orange groves into productive wildlife habitat for the birds of Pelican Island. Looking south toward Pelican Island from the barrier island.
    • Aily Zirkle oral history transcript

    • Biography; Birds; Employees (USFWS); Biological control; Education; Environmental quality; Environmental education; Winter sports; Wildlife viewing; Wildlife refuges; Villages; Migratory birds; Surveying; Migration;
    • Aily Zirkle oral history interview as conducted via radio interview.
    • Bird feeding: backyard habitat for wildlife

    • Wildlife viewing; Birdwatching; Birds; Leisure activities; Document;
    • Feeding birds in the spring and summer months can bring particular excitement. Many new species may frequent your feeder. Includes hints for increasing the numbers of avian visitors.
    • Canoeing under a beautiful orange sky

    • Wildlife refuges; Wetlands; Wildlife viewing; Photography; Scenics; Leisure activities; Boating;
    • In a remote corner of northwestern Alaska lies Selawik Refuge, a special place of extreme climate, free-flowing rivers, and abundant wildlife. Here where the boreal forest of Interior Alaska meets the arctic tundra, thousands of waterfowl,...
    • Channel Excavation

    • Structures; Riparian environments; Rivers and streams; Habitat restoration; Wetland restoration; Wetlands; Wildlife refuges;
    • Knife River construction worker (green vest) monitoring the depth of the tidal channel being constructed while an archaeologist (orange vest) monitors for cultural resources. Work is suspended or moves to another area when cultural resources are...
    • Columbia Lily

    • Flowering plants; Plants
    • Red spotted orange blossoms on tall stem among ferns. For additional resources about wildflowers visit the National Plants Database: National Plants Database http://plants.usda.gov/.

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