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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...
    • Black-Tailed Deer (Doe)

    • Endangered 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...
    • Bull trout: salvelinus confluentus

    • Fishes; Freshwater fishes; Threatened species;
    • This fact sheet describes the bull trout. Differences between bull trout and other salmonids, particularly Dolly Varden are explained. It also briefly describes the fish's breeding and feeding habits, the water conditions it prefers, and the...
    • Close up of Leatherback turtle

    • Endangered species; Reptiles;
    • The leatherback is the largest, deepest diving, and most migratory and wide ranging of all sea turtles. The adult leatherback can reach 4 to 8 feet in length and 500 to 2000 pounds in weight. Its shell is composed of a mosaic of small bones covered...
    • Close up of Leatherback turtle

    • Endangered species; Reptiles;
    • The leatherback is the largest, deepest diving, and most migratory and wide ranging of all sea turtles. The adult leatherback can reach 4 to 8 feet in length and 500 to 2000 pounds in weight. Its shell is composed of a mosaic of small bones covered...
    • Close up of Leatherback turtle

    • Endangered species; Reptiles;
    • The leatherback is the largest, deepest diving, and most migratory and wide ranging of all sea turtles. The adult leatherback can reach 4 to 8 feet in length and 500 to 2000 pounds in weight. Its shell is composed of a mosaic of small bones covered...
    • Close up of Leatherback turtle

    • Endangered species; Reptiles;
    • The leatherback is the largest, deepest diving, and most migratory and wide ranging of all sea turtles. The adult leatherback can reach 4 to 8 feet in length and 500 to 2000 pounds in weight. Its shell is composed of a mosaic of small bones covered...
    • Columbian White-Tailed Buck

    • Endangered 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 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

    • Endangered 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...
    • Endangered species coloring book

    • Art; Environmental education; Endangered species; Illustrations;
    • This is a children's coloring book of various endangered species. It provides images of each species for coloring, as well as educational information on the species. The animals included are: Bald Eagle, California red-legged frog Karner Blue...
    • Fishes of the Middle West.

    • History; Fishes; Fisheries management; Employees (USFWS); Biologists (USFWS); Commercial fishing; Aquatic environments;
    • Original format booklet
    • Food from the sea: fish and shellfish of New England.

    • History; Aquatic environments; Fishes; Fisheries management; Fishing; Commercial fishing; Overfishing;
    • "In New England, the specific job is to spread consumption more uniformly over the nearly 80 species of fish and shellfish that are brought, into local ports each year. Production records 'of the fishing industry show a serious lack of...
    • Jerry Lawhorn oral history transcript

    • History; Biography; Aircraft; Aviation; Equipment;
    • Oral history interview with Jerry Lawhorn concerning adaptations make to airplanes used by FWS, interviewed by Jim King and Bruce Conant. Tape transcription by: Mary E. Smith
    • King Salmon Identification

    • Chinook Salmon; King Salmon; Tyee; Spring; Tule; Quinnat; Blackmouth; Salmon; Fishes; Fisheries management; Sport fishing; Alaska; AK; Salmon Identification; Deshka River; Recreation
    • Adult chinook , commonly called king salmon, have irregular spotting on the back and dorsal fins and on both lobes of the caudal or tail fin. These salmon also have a black pigment along the gum line giving them the name black or blackmouth in some...

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