• San Bernardino National Wildlife Refuge Entrance/J. Greff

    Rancho San Bernardino

    Adjacent to each other but on opposite sides of a border is an international effort to manage this vast and biologically rich landscape.

    Working Together

  • San Bernardino's Photo Gallery images/W. Radke

    Refuge Gallery

    Enjoy images of San Bernardino National Wildlife Refuge’s landscape and the wildlife that call it home all or part of the year.

    Refuge's Photo Galleries

  • Chiricahua leopard frog / W. Radke, USFWS

    Helping Threatened Amphibian

    The Chiricahua leopard frog is only known to occur in Arizona, New Mexico, and Mexico. A distinctive call separates it from other frogs.

    Student Makes a Difference

  • San Bernardino springsnail / W. Radke, USFWS

    Critical Habitat is Designated

    for the threatened San Bernardino springsnail. This tiny species of Hydrobiids is 2mm and under. Its shell has whorls (twists).

    Species Profile

  • Jaguar / USFWS, Gary Stoltz ©

    Protecting The Largest Big Cat

    in the United States - the jaguar. This endangered cat is known to occur in the nearby Peloncillo Mountains.

    Endangered Species Profile


Sampling Yaqui Fish


San Bernardino and Leslie Canyon National Wildlife Refuges have developed a new protocol for sampling Yaqui fish in streams

Learn more

Roosevelt's Legacy

President Theodore Roosevelt with Gifford Pinchot

In 1903 President Theodore Roosevelt established the Pelican Island Bird Reservation, the first of 50 refuges he would create during his time in office and the roots of what is today known as the National Wildlife Refuge System. Seen here with Gifford Pinchot, President Roosevelt's legacy is reflected at San Bernardino National Wildlife Refuge, a landscape set aside and managed for the benefit of wildlife.

Working for Wildlife and You
Featured Stories

National Cooperative Efforts

San Bernardino's Yaqui catfish survey/W. Radke

Cooperative efforts between the U.S. Fish and Wildlife Service and landowners in both the United States and in Mexico are providing tremendous opportunities to conduct research, restore and secure habitat and water sources, and introduce and maintain self-sustaining fish and wildlife populations and habitats.

Partnering for Wildlife

About the NWRS

National Wildlife Refuge System


The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America's fish, wildlife, and plants.

Learn more about the NWRS