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(33 results)



Display: 20

    • Columbian White-Tailed Deer

    • Endangered and/or Threatened species;
    • White-tailed deer are generally distinguished from mule or black-tailed deer by their longer tail that is brown rather than black on the dorsal surface, a smaller metatarsal gland, and, in adult males, antlers with prongs arising from a single main...
    • Columbian White-Tailed Deer - Buck

    • Endangered and/or Threatened species;
    • White-tailed deer are generally distinguished from mule or black-tailed deer by their longer tail that is brown rather than black on the dorsal surface, a smaller metatarsal gland, and, in adult males, antlers with prongs arising from a single main...
    • Columbian White-Tailed Buck

    • Endangered and/or Threatened species;
    • White-tailed deer are generally distinguished from mule or black-tailed deer by their longer tail that is brown rather than black on the dorsal surface, a smaller metatarsal gland, and, in adult males, antlers with prongs arising from a single main...
    • Patuxent Science Symposium, 75th Anniversary oral history transcript Part 3 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 3 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...
    • Cassin's sparrow status assessment and conservation plan

    • Birds; Migratory birds; Monitoring; Perching birds; Research; Statistics; Species of concern; Wildlife management;
    • This is a status assessment and conservation plan for the Cassin's Sparrow. It includes a description and natural history of the bird, as well as range information pertinent to breeding, migration and wintering, monitoring activities, population...
    • Molt and aging critera for four North American grassland passerines

    • Birds; Grasslands; Migratory birds; Perching birds; Research; Species of concern;
    • This is a description of the molt and aging criteria for four grassland passerines. The species covered are Sprague's Pipit, Grasshopper sparrow, Baird's sparrows, and Chestnut-collared Longspurs. Molt information is important for determining...
    • Review of the Gulf of Mexico red snapper fishery

    • Biologists (USFWS); Fisheries management; Fishes; Water; Work of the Service; Saltwater fishes;
    • This existing literature contains only few and incomplete descriptions of the red snapper fishery. Comprehensive descriptions have been made at various times by Stearns (1885); Jarvis (1935); and Camber (1955). There is, however, no up-to-date...
    • Colorado hookless Cactus

    • Plants; Endangered and/or Threatened species;
    • The Colorado hookless cactus is a barrel shaped cactus that ranges from 1.2 to 4.8 inches (in.) (3 to 12 centimeters (cm)) tall, with exceptional plants up to 12 in. (30 cm) tall. Stems range from 1.6 to 3.6 in. (4 to 9 cm) in diameter. The stems...
    • Colorado hookless Cactus

    • Plants; Endangered and/or Threatened species;
    • The Colorado hookless cactus is a barrel shaped cactus that ranges from 1.2 to 4.8 inches (in.) (3 to 12 centimeters (cm)) tall, with exceptional plants up to 12 in. (30 cm) tall. Stems range from 1.6 to 3.6 in. (4 to 9 cm) in diameter. The stems...
    • Fishery publication index, 1965-74

    • Freshwater fishes; Fishes; Fisheries management; Fish hatcheries;
    • The Circulars are technical publications of general interest intended to aid conservation and management. Publications that review in considerable detail and at a high technical level certain broad areas of research appear in this series.
    • Fishes of the Middle West.

    • History; Fishes; Fisheries management; Employees (USFWS); Biologists (USFWS); Commercial fishing; Aquatic environments;
    • Original format booklet
    • Steve Kufrin oral history transcript

    • History; Biography; Employees (USFWS); Military; Hunting; Wilderness; Wildlife management; Wildlife refuges; Work of the Service;
    • Oral history interview with Steve Kufrin. Dorothe Norton as interviewer.
    • Clyde Bolin oral history transcript

    • History; Biography; Aircraft; Bird banding; Employees (USFWS); Personnel; Waterfowl;
    • Oral history interview with Clyde Bolin. Thomas Goettel was the interviewer.
    • Brown Noddy on Laysan beach

    • Adults; Birds; Coastal environments; Islands; Research; Scientific personnel (USFWS); Bird banding; Endangered and/or Threatened species;
    • Flock of Brown Noddy on Laysan beach with ship in background. Brown Noddies are medium sized, dark, brown birds. Adults have ashy-white forehead and crown sharply demarcated from black lores, merging evenly into gray nape. They have a long, narrow,...

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