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  • All fields: Dr.Thomas
(419 results)



Display: 20

    • Conservation profiles: landowners help imperiled wildlife

    • Work of the Service; Conservation; Land development; Landscape conservation; Policies;
    • The purpose of this brochure is to introduce some of the landowners who are using two innovative conservation tools: Safe Harbor Agreements and Candidate Conservation Agreements with Assurances. Although these tools only came into use within the...
    • Patuxent Science Symposium, 75th Anniversary oral history transcript Part 2 of 4

    • Agriculture; Bird banding; Birds; Biologists (USFWS); Biography; Diseases; Employees (USFWS); Fishes; History; Migration; Migratory birds; Pesticides; Research; Science; Scientific personnel (USFWS); Surveying; Tagging; Waterfowl; Wildlife...
    • This is Part 2 of 4 transcripts from the Patuxent Science Symposium, 75th Anniversary of the Patuxent Science Center. It includes speakers who talk about their time at working at Patuxent and some of the work they did. This transcript includes the...
    • White ibis

    • Birds; Migratory birds; Wading birds;
    • Close side view of head and front part of body.
    • Florida scrub-jay

    • Bird banding; Birds; Endangered and/or Threatened species; Migratory birds; Perching birds;
    • Threatened species; banded bird standing on thin branches of shrub, viewed from front.
    • Common nighthawk

    • Birds; Birds of prey; Migratory birds;
    • Bird standing on clump of branches on sandy ground, viewed from side rear.
    • Barn owl

    • Birds; Birds of prey; Migratory birds;
    • Close-up of face and upper body of owl, viewed from side with bird looking over shoulder.
    • Screech owl

    • Birds; Birds of prey;
    • Close view of owl in tree with wings spread, viewed from low front..
    • Brown pelican

    • Birds; Aquatic birds; Migratory birds;
    • Close-up of head and upper body, viewed from side of brown pelican.
    • Trumpeter Swan

    • Birds; Migratory birds; Waterfowl;
    • Single bird standing on shore of icy water.
    • Great blue Heron

    • Birds; Migratory birds; Wading birds;
    • Close side view of bird perched in brush with neck folded.
    • Little blue heron

    • Birds; Migratory birds; Wading birds;
    • Bird standing on rocks overlooking water.
    • Green heron

    • Birds; Migratory birds; Wading birds;
    • Also called Green-backed heron; Close view of bird standing on piece of wood in water covered by algae.
    • Green heron

    • Birds; Migratory birds; Wading birds;
    • Also called Green-backed heron; bird standing on leaning stick coming out of water.
    • Purple gallinule

    • Birds; Migratory birds; Wading birds;
    • Bird walking across vegetation in water.
    • Greater Sage-Grouse

    • Birds; Game birds;
    • Male bird displaying himself, with fanned tail and expanded chest.

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