Our Services

Monarch butterfly sitting on flower

Candidate species are plants and animals for which the U.S. Fish and Wildlife Service (Service) has enough information regarding their biological status and threats to propose them as threatened or endangered under the Endangered Species Act (ESA), but listing is currently precluded by higher...

Mojave desert tortoise

Since two-thirds of federally listed species have at least some habitat on private land, and some species have most of their remaining habitat on private land, the U.S. Fish and Wildlife Service (Service) has developed an array of tools and incentives to protect the...

Two curious animals with long necks and what looks like black masks around their eyes peek out from a burrow in the ground.

​A Safe Harbor Agreement (SHA) is a voluntary agreement involving private or other non-federal property owners whose actions contribute to the recovery of species listed as endangered or threatened under the Endangered Species Act (ESA). The agreement is between cooperating non-federal property...

Butterfly rests on tall flowering plant.

The purpose of the Endangered Species Act (ESA) is to provide a means to conserve the ecosystems upon which endangered and threatened species depend and provide a program for the conservation of such species. The ESA directs all federal agencies to participate in conserving these species....

woman holding survey equipment

The National Fish Passage Program provides financial and technical assistance for projects that improve the ability of fish or other aquatic species to migrate by reconnecting habitat that has been fragmented by a barrier such as a dam or culvert. U.S. Fish and Wildlife Service biologists...