Birds; Grasslands; Migratory birds; Perching birds; Research; Species of concern;
This is a description of the molt and aging criteria for four grassland passerines. The species covered are Sprague's Pipit, Grasshopper sparrow, Baird's sparrows, and Chestnut-collared Longspurs. Molt information is important for determining...
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...
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...
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...
This publication is is the result of a Fish and Wildlife Countermeasures Coordination Project undertaken by the U.S. Fish and Wildlife Service (USFWS). The goals of the project include the development of national “best practices” using...
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...
Endangered species; International affairs; Partnerships; Wildlife management; Wildlife restoration;
This is an overview of what Canada and the United States are doing together in order to help protect species the two countries deem as endangered. A description of the background of this partnership is given, followed by ten examples of individual...