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...
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...
"The most serious ecological losses from future energy systems are not likely to be characterized by sudden, easily visible catastrophic collapse of ecosystems. Rather, the historical pattern of slow, diffuse chipping-away of wildlife habitat is...