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  • All fields: Tropical environments
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Display: 20

    • Subject Index

    • Subject Index
    • Aerial photography; Agribusiness; Agricultural ecosystems; Agriculture; Air Pollution; Aircraft; Alpine environments; Amphibians; Amphibious vehicles; Anadromous species; Animal industry; Aquaculture; Aquatic animals; Aquatic birds; Aquatic...
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    • Laysan Island

    • Laysan Island
    • Aerial photography; Islands; Wildlife refuges; Tropical environments; Marine environments;
    • Laysan's ring of sandy dunes surrounds a 100-acre hypersaline interior lake, a feature unique to the Hawaiian Archipelago, and rare in the Pacific as a whole.
    • Laysan Island

    • Laysan Island
    • Aerial photography; Islands; Wildlife refuges; Tropical environments; Marine environments;
    • Laysan previously harbored 5 unique species, of which two still survive, the Laysan duck and the Laysan finch. In addition, 2 million seabirds nest here.
    • Pearl and Hermes Atoll

    • Pearl and Hermes Atoll
    • Aerial photography; Islands; Wildlife refuges; Tropical environments; Marine environments;
    • The atoll boast the highest rate of reef fish that are unique to the Hawaiian Archipelago, with 62% of fish species out of a total 174 species.
    • Pearl and Hermes Atoll

    • Pearl and Hermes Atoll
    • Aerial photography; Islands; Wildlife refuges; Tropical environments; Marine environments;
    • The islets at Pearl and Hermes Atoll provide dry land for monk seals, green turtles, and a multitude of seabirds, with 16 species breeding here.
    • Pearl and Hermes Atoll

    • Pearl and Hermes Atoll
    • Aerial photography; Islands; Wildlife refuges; Tropical environments; Marine environments;
    • Pearl and Hermes Atoll is a large atoll with several small islets such as the ones shown here, forming a total of 96 acres of land surrounded by over 300,000 acres of coral reef habitat.
    • Winged ambassadors: bird conservation in the Caribbean

    • Winged ambassadors: bird conservation in the Caribbean
    • Birds; Endangered species; Indigenous populations; International affairs; Islands; Threatened species; Work of the Service; Tropical environments
    • This is a fact sheet abou tthe Winged Ambassadors, a conservation initiative of the U.S. Fish and Wildlife Service. The program helps protect the many unique avifauna species endemic to the Caribbean. It briefly explains the situation with these...
    • Historic Canon at Midway Atoll National Wildlife Refuge

    • Historic Canon at Midway Atoll National Wildlife Refuge
    • Birds; Historic sites; History; Marine birds; Islands; Wildlife refuges; Tropical environments;
    • Remnant of the historic Battle of Midway, this canon found at Eastern Island at Midway Atoll National Wildlife Refuge, surrounded by nesting albatross. On September 13, 2000, the Secretary of the Interior designated the lands and waters of Midway...
    • Albatross Nesting Near Historic Building

    • Albatross Nesting Near Historic Building
    • Birds; Marine birds; Buildings, facilities and structures; Historic sites; History; Wildlife refuges; Islands; Tropical environments;
    • Albatross nest in the area surrounding a historic building on Sand Island, Midway Atoll National Wildlife Refuge.
    • Albatross in Flight

    • Albatross in Flight
    • Birds; Marine birds; Islands; Volunteers; Wildlife refuges; Birdwatching; Tropical environments; Coastal environments;
    • Albatross in flight on Eastern Island in the Midway Atoll National Wildlife Refuge. Nest census volunteers take a break and observe albatross gliding.
    • Walkway and Bravo Barracks in the Background

    • Walkway and Bravo Barracks in the Background
    • Birds; Marine birds; Islands; Wildlife refuges; Structures; Buildings, facilities and structures; Tropical environments;
    • Albatross and bonin petrel nests can be seen on both sides of the walkway on Sand Island, Midway Atoll National Wildlife Refuge.
    • Brown Booby

    • Brown Booby
    • Birds; Marine birds; Islands; Wildlife refuges; Tropical environments; Coastal environments;
    • Brown booby perches on driftwood on Midway Atoll National Wildlife Refuge.
    • Albatross Nest Colony

    • Albatross Nest Colony
    • Birds; Marine birds; Islands; Wildlife refuges; Tropical environments; Coastal environments;
    • An albatross nest colony on Sand Island, Midway Atoll National Wildlife Refuge.
    • Masked Boobies with Chick

    • Masked Boobies with Chick
    • Birds; Marine birds; Islands; Wildlife refuges; Tropical environments;
    • Masked boobies with their chick on Tern Island at Hawaiian Islands National Wildlife Refuge, part of the Papahānaumokuākea Marine National Monument.
    • Laysan albatross

    • Laysan albatross
    • Birds; Marine birds; Islands; Wildlife refuges; Tropical environments;
    • Close up image of a Laysan albatross on Midway Atoll National Wildlife Refuge.
    • Frigatebirds in Flight

    • Frigatebirds in Flight
    • Birds; Marine birds; Islands; Wildlife refuges; Tropical environments;
    • Frigatebirds fly overhead on Midway Atoll National Wildlife Refuge.
    • Red-footed Booby

    • Red-footed Booby
    • Birds; Marine birds; Islands; Wildlife refuges; Tropical environments;
    • A red-footed booby perches in a tree on Midway Atoll National Wildlife Refuge.
    • Red-tailed Tropicbird

    • Red-tailed Tropicbird
    • Birds; Marine birds; Islands; Wildlife refuges; Tropical environments;
    • A red-tailed tropicbird is seen with its downy chick on Midway Atoll National Wildlife Refuge.

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