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...
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...
Endangered species; Mammals; Population control; Predator control; Predators; Reintroduction; Statistics;
This is the review of the efforts to reestablish Mexican wolves in the Blue Range Wolf Recovery Area . The review is a direct result of an environmental impact statement concluded by the U.S. Fish and Wildlife Service in 1996. It includes various...
Work of the Service; History; Climate change; Connecting People with Nature
This booklet describes the mission and work of the U.S. Fish and Wildlife Service and includes historical information and goals and objectives of all Bureau programs.
This is a guide to altricial passerines. It has an explanation of variables used for aging birds and an explanation of methodology employed, and provides information obtained while recording the early aging of the Dusky Flycatcher, the Carolina...
This is a preliminary biological assessment of Kirwin National Wildlife Refuge. Stimulation for the report was based on the concept that future decisions related to the biological portion of the Comprehensive Conservation Plan will be based on the...
Fisheries management; Fishes; Rivers and streams; Tropical environments;
This document serves as the Final Report for research on Puerto Rico stream fishes and their habitat funded by the Puerto Rico Department of Natural and Environmental Resources, in the form of a grant to the North Carolina Cooperative Fish and...