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  • All fields: incubation
(65 results)



Display: 20

    • Candling scoter egg

    • Work of the Service; Wildlife management; Birds; Waterfowl; Employees (USFWS); Personnel; Biologists (USFWS); Research
    • Biological Technician Scott Freeman candles a scoter egg to see at what stage of incubation the nest is during a white-winged scoter breeding ecology study on the Yukon Flats National Wildlife Refuge.
    • National Bald Eagle management guidelines

    • Wildlife management; Work of the Service; Writing; Raptors; Legislation;
    • The bald eagle (Haliaeetus leucocephalus) is protected by the Bald and Golden Eagle Protection Act (Eagle Act) and the Migratory Bird Treaty Act (MBTA). The MBTA and the Eagle Act protect bald eagles from a variety of harmful actions and impacts....
    • Waterfowl management handbook

    • Wildlife management; Waterfowl; Work of the Service; Wildlife refuges; Wildlife impacts;
    • Waterfowl nutritional needs during the annual cycle and the nutritional values of natural foods and crops are discussed.
    • Tidal marshes:  the boundary between land and ocean

    • Wetlands; Wildlife management; Human impacts; Coastal environments;Estuarine environments; Coastal environments
    • Tidal marshes of the United States cover about 13,000 square miles, approximately the combined area of Connecticut and Massachusetts. From a global perspective, marshes form a narrow fringe of intertidal flats along ocean coasts. They are vegetated...
    • Sea Turtle Kraals Rancho Nuevo, Mexico

    • Reptiles; Sea Turtle; Kemps; Kemp's Ridley; Mexico
    • View of the Kemp's Ridley sea turtle incubation kraal at Rancho Nuevo, Tamaulipas Mexico, on the Gulf of Mexico.
    • Northern aplomado Falcon (Falco femoralis septentrionalis)

    • Raptors; Grasslands; Birds; Birds of prey; Deserts; Prairies; Partnerships; Military
    • Aplomado falcons (Falco femoralis) inhabit desert grasslands and savannas of Latin America, and formerly inhabited desert grasslands and coastal prairies of Texas, New Mexico, and southeastern Arizona. The falcon ranges through most of South...
    • FWS Employee Bands Brown Pelican

    • Pelican Island National Wildlife Refuge; Florida; Endangered species; Birds;
    • FWS personnel banding a Brown Pelican. Pelicans almost disappeared from Texas because they were poisoned by the pesticide DDT, which caused them to lay thin-shelled eggs which broke during incubation. Because they were not able to produce young,...
    • Oil spill curriculum

    • Oil spills; Shorebirds; Wildlife refuges;
    • The Shorebird Sister Schools Program presents an activity that explores the impacts of the Deepwater Horizon Gulf Oil Spill on coastal birds and the work of many dedicated professionals helping in species recovery, with a focus on career...
    • Fishes of the Middle West.

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

    • History; Biography; Fish hatcheries; Employees (USFWS);
    • James Bayman oral history interview as conducted by Ed LaMotte. In addition to working at different hatcheries, James Bayman also worked at the Western Fish Nutrition Lab.
    • 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...

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