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...
When a species is proposed for listing as endangered or threatened under the Endangered Species Act (Act), we must consider whether there are areas of habitat we believe are essential to the species’ conservation. Those areas may be...
Edward Zahniser oral history interview with Laura Buchheit and Mark Madison. Mr. Zahniser is the son of Howard Zahniser, architect of the Wilderness Act.