Endangered Species
Ecological Services

ESA Implementation

California tiger salamander. Credit: Adam G. Clause

Ensuring an Effective Endangered Species Act

The ESA provides a broad and flexible framework to facilitate conservation with a variety of stakeholders. Learn about the tools in place that help us work with our diverse network of partners to deliver meaningful conservation.


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Federally endangered Bay checkerspot butterfly. Credit: John Cleckler/USFWS

Service and NOAA Fisheries Announce Reforms to Improve and Modernize Implementation of the Endangered Species Act

Continuing efforts to improve how the ESA is implemented, the Service and NOAA Fisheries today announce revisions to certain regulations to ensure clarity and consistency...
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Get to Know Your Species

Species map

What's in Your Backyard?

Learn about the endangered and threatened species in your area and what is being done to help recover them.


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Species Status Assessment

New Mexico meadow jumping mouse. Courtesy of Jennifer Frey

An Integrated Framework for Conservation

The Species Status Assessment was developed to enhance conservation success under the ESA. This framework is based on the best available scientific and commercial information, and it delivers the foundational science for informing all ESA decisions...


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Last updated: August 12, 2019