The Endangered Species Act (ESA) provides a program for the conservation of threatened and endangered plants and animals and the habitats in which they are found. Under the ESA, a species is considered:
The lead federal agencies for implementing ESA are U.S. Fish and Wildlife Service (FWS) and U.S. National Oceanic and Atmospheric Administration (NOAA) Fisheries Service.
U.S. Fish and Wildlife Service (FWS):
Worldwide list of endangered species and Q&A:
U.S. National Oceanic and Atmospheric Administration (NOAA) Fisheries Service which includes find species, laws and policies, sciences and data, and featured news.