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    • Agassiz National Wildlife Refuge

    • Minnesota; NWR; trees; aspen; Wildlife refuges
    • The marshes and woodlands of Agassiz National Wildlife Refuge occupy part of the area of a huge prehistoric glacial lake that was larger than the Great Lakes. The abundant wildlife here include the only gray wolf pack on a refuge outside of...
    • Aleutian Shield Fern

    • Endangered species; Foliage; Plants;
    • The Aleutian Shield fern is an endangered species only found on the Island of Adak.
    • American avocet

    • History; Migratory birds; Birds; Photography; Wildlife refuges; Shorebirds;
    • An American avocet in its breeding plumage, it is the only avocet in the world with an annual color change. A hand painted glass slide by Finley and Bohlman at Klamath Marsh in 1905.
    • Anti-bird strike film

    • Buildings, facilities and structures; Birds; Human impacts;
    • Before and after picture of an application of anti-bird strike film to a window. Film has been applied to the pane on the right; none to the pane on the left. Shot was taken from the inside of the building looking out. Note the view from the...
    • Arkansas: Cache River Boat Ramp Kiosk

    • Floods; Natural disasters; Wildlife refuges; Buildings, facilities and structures;
    • Only the top of a kiosk on a boat ramp is still dry on May 8 at Cache River National Wildlife Refuge near Augusta, Arkansas.
    • Attwater's prairie chicken

    • Birds; Game birds; Endangered species;
    • An endangered sub-species of prairie chicken, small numbers found only in Texas in isolated areas and on the Attwater Prairie Chicken National Wildlife Refuge, Texas.
    • Be the bear.

    • Adults; Children; Connecting people with nature; Education; Education outreach; Environmental education; Interpretation; Leisure activities; Public access; Recreation; Vegetation; Visitor services; Wildlife refuges; Work of the Service; Youth;
    • This student enjoys becoming the bear, even if it's only pretend.
    • Bird sanctuary signage

    • Signs; Wildlife refuges;
    • Egmont Key is located at the mouth or entrance to Tampa Bay. There are no bridges connecting it to St. Petersburg (to the north) or Anna Maria Island (to the south). Access is limited to watercraft only
    • Black rhinoceros

    • International conservation; Mammals; Extinctions;
    • The African black rhinoceros is an extinct subspecies. Historically, it once occurred across most of the west African savanna. Until recently, only a few individuals survived in northern Cameroon, but on July 8, 2006 the World Conservation Union...
    • Blanket of snow on a refuge trail at Chincoteague National Wildlife Refuge

    • Wildlife refuges; Hiking; Biking; Leisure activities; Public access;
    • The refuge maintains several miles of trails for either hiking or biking. Major recreational activities include wildlife/wildland observation, photography, education, and sheer enjoyment of the outdoors. About half are paved while the rest are open...
    • Brown pelicans in flight

    • Birds; Marine birds;
    • Eight brown pelicans in flight. The Brown Pelican is the only exclusively marine member of the pelican family, and the only one that regularly dives for its food.
    • Chucky Madtom

    • Freshwater fishes; Endangered species;
    • A small catfish, the chucky madtom is found in the upper Tennessee River system in Tennessee. Currently, only three chucky madtoms have been collected from one stream, Little Chucky Creek, since 2000.
    • Colorado Butterfly plant

    • Plants; Threatened species;
    • The Colorado butterfly plant is a member of the evening primrose family and is a short-lived perennial herb with one to several reddish, pubescent stems that are 50–80 centimeters (cm) (2–3 feet) tall. The lower leaves are lance-shaped with...
    • Columbian White-Tailed Deer

    • Recovered; Mammals; Forests;
    • The Columbian white-tailed deer was federally listed as endangered in 1968, at which time only a small population was known to survive on islands and a small area of mainland in Washington along the lower Columbia River. In 1978, a small population...
    • Columbian White-Tailed Deer

    • Recovered; Mammals; Forests;
    • The Columbian white-tailed deer was federally listed as endangered in 1968, at which time only a small population was known to survive on islands and a small area of mainland in Washington along the lower Columbia River. In 1978, a small population...
    • Cumberland darter

    • Freshwater fishes; Endangered species;
    • The Cumberland darter is only found in the upper Cumberland River system above Cumberland Falls in Kentucky and Tennessee. Historically, this species inhabited 21 streams in the upper Cumberland River system. Now, the Cumberland darter survives...
    • Dudley Bluffs bladderpod

    • Plants; Threatened species;
    • Both the Dudley Bluffs bladderpod (Physaria congesta or Lesquerella congesta) and the Dudley Bluffs twinpod (Physaria obcordata) are rare members of the Brassicaceae (mustard) family. Dudley Bluffs bladderpod is an extremely small cushion plant...
    • Dudley Bluffs bladderpod

    • Plants; Threatened species;
    • Both the Dudley Bluffs bladderpod (Physaria congesta or Lesquerella congesta) and the Dudley Bluffs twinpod (Physaria obcordata) are rare members of the Brassicaceae (mustard) family. Dudley Bluffs bladderpod is an extremely small cushion plant...
    • Dudley Bluffs bladderpod

    • Plants; Threatened species;
    • Both the Dudley Bluffs bladderpod (Physaria congesta or Lesquerella congesta) and the Dudley Bluffs twinpod (Physaria obcordata) are rare members of the Brassicaceae (mustard) family. Dudley Bluffs bladderpod is an extremely small cushion plant...

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