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...
This classification, to be used in a new inventory of wetlands and deepwater habitats of the United
States, is intended to describe ecological tax, arrange them in a system useful to resource managers,
furnish units for mapping, and provide...
This is a status assessment of the Eastern massassauga in North America. It includes biological information on the species, distribution status information and detailed status figures.
First recovery plan approved 12/7/1981. First revision approved June 1987. Second revision approved: 3/13/1995. The Florida panther is the last subspecies of Puma still surviving in the eastern United States. Historically occurring throughout the...
The basis for this HSI model was developed in a workshop that included the following waterfowl biologists form the Northern Prairie Wildlife Research Center, Jamestown, ND: Leo Kirsch (retired), John Lokemoen, and George Swanson. These individuals...