Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

JavaScript appears to be disabled on this computer. Please click here to see any active alerts.

Fact Sheets on Twelve Endangered Species

These species-based fact sheets offer a summary of information about certain listed species, including their description, ecology, and conservation concerns. We developed 11 of these to support implementation of requirements under the order and stipulated injunction issued in the lawsuit against EPA by the Center for Biological Diversity in the San Francisco Bay Area.