Endangered species; Birds; Birds of prey; Captive breeding; Reintroduction; Raptors;
1976, (41 FR 187). Long recognized as a vanishing species (Cooper 1890, Koford 1953, Wilbur 1978), the California condor remains one ofthe world’s rarest and most imperiled vertebrate species. Despite intensive conservation...
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Glossary
Species Status categories:
at- risk species — species of plants and animals that are
Federal candidate species and those that the Service
has not identified as candidate species, but are facing
threat( s) and are potential...
A moment of quiet reflection on the northern reaches of the Mississippi River, as Bureau of Biological Survey chief Ira Gabrielson (1889-1977) casts a line off a vessel of the Upper Mississippi River National Wildlife and Fish Refuge during a 1937...
A multidisciplinary education guide for grades 2-12 (with sections on "How to Adapt" for Preschool - 1st grade, home schools, youth groups, and nature centers)
Videography;u.s. fish and wildlife service;wildlife refuges;
A National Treasure . This slide show on video gives viewers an overview biological riches of the Canaan Valley National Wildlife Refuge in West Virginia. (11 min.)
Abstract. Humboldt Bay is one of California's largest coastal estuaries, second only to San Francisco Bay in size. The bay is important ecologically, serving as habitat for many invertebrates, fishes, birds, and mammals. The bay attracts many...
Abstract: The Antillean manatee (Trichechus manatus manatus, hereafter manatee), inhabiting Puerto Rico’s coastal waters, is a subspecies of the endangered West Indian manatee (Federal Register, July 22, 1985. Vol. 50(140):29900-29909). Habitat...
