United States Fish and Wildlife Service Law and Legal Definition

The U.S. Fish and Wildlife Service (FWS) is a United States federal agency that is tasked with the responsibility of managing fish, wildlife, and habitats. The FWS is within the U.S. Department of Interior.

The FWS aims to conserve, protect, and enhance fish, wildlife, plants and their habitats for the continuing benefit of the U.S. people by working with other agencies and organizations.

The National Wildlife Refuge System, the Migratory Birds program, Federal Duck Stamp, National Fish Hatchery System, Endangered Species program, and Office of Law Enforcement are some units of the FWS.

The FWS together with the NOAA governs two National Monuments, Hanford Reach National Monument in Washington State and Papahānaumokuākea Marine National Monument, a huge maritime area northwest of Hawaii.