To search for specific species, begin your search with scientific names or common names. Explore species that are experiencing high degrees of interest, exciting conservation projects, and more. These are just a few highlighted species of the thousands under USFWS governance.

To search for specific species, begin your search with scientific names or common names. Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.

We use the best scientific information available to determine whether to add a species to (list) or remove from (delist) the federal lists of endangered and threatened wildlife and plants. We also determine whether already listed species should be reclassified from threatened to endangered (uplist) or from endangered to threatened (downlist).

Log in and define a project to get an official species list and evaluate potential impacts on resources managed by the U.S. Fish and Wildlife Service. Follow IPaC's Endangered Species Act (ESA) Review process—a streamlined, step-by-step consultation process available in select areas for certain project types, agencies, and species.

This is a list of the bird and mammal species and subspecies described as endangered by the United States Fish and Wildlife Service. It contains species and subspecies not only in the U.S. and its territories, but also those only found in other parts of the world.