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    Native Reptiles

    At least 21 types of snakes call the refuge home, including 6 rattlesnake species. They are an important part of the desert community.

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    Exciting Night Life

    When the sun sets and the desert cools, a host of refuge animals stir, including ringtail cats, pocket mice and 11 species of bats.

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    Cryptic Critters

    Light-colored fur helps mammals reflect heat rather than soak it in. The scales of lizards serve the same purpose.

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    Going Underground

    Many desert animals burrow, including tortoise. They burrow down (sometimes up to many feet) to avoid the summer heat and winter cold.


2017 Junior Duck Stamp Winners Travel Arizona

The 2017 Junior Duck Stamp winners are traveling throughout the State of Arizona during the summer and fall. Please see the attached flyer for the dates and locations of when and where this amazing artwork will be on display.

2017 JDS traveling artwork flyer

Success: Recovering the Pronghorn


Close to being lost forever, Sonoran pronghorn are making a comeback thanks to an active management program and captive-breeding program. Learn how the U.S. Fish and Wildlife Service and its partners are applying the best available science to ensure North America’s fastest land animal remains forever at home on the range.

Sonoran Pronghorn Recovery Brochure
Featured Stories

Protecting Fawns


Due to the success of recovery efforts, pronghorn numbers have increased to historic average numbers.

During Fawning Season

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