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...
Conservation actions carried out in the United States under the Endangered Species Act have been successful in preventing extinction for 99 percent of the species that are listed as endangered or threatened. However, species loss on a global scale...
DR. CARL LEOPOLD AT “ THE SHACK” Baraboo, Wisconsin By Buddy Huffaker and Steve Swenson September 11, 2003 MR. HUFFAKER: This is oral history about Aldo Carl Leopold. September 11, 2003. At the Leopold Shack and Farm. DR. LEOPOLD: Why...