Listing Species as Threatened or Endangered

This document provides answers to frequently asked questions regarding section 4 of the Endangered Species Act and determination of threatened species and endangered species.

Type of document
Fact Sheet
Program
A rocky shoreline of a river. The water is calm. Mist and green branches line the river.
The Ecological Services Program works to restore and protect healthy populations of fish, wildlife, and plants and the environments upon which they depend. Using the best available science, we work with federal, state, Tribal, local, and non-profit stakeholders, as well as private land owners, to...