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Frequently Asked Questions
What are biologists doing to help the desert tortoise?
Biologists are currently studying the desert tortoise living within Joshua Tree National Park. Using measurements collected by such sophisticated equipment as radio telemetry and GPS (Global Positioning System), they are gathering information that allows us to increase our understanding of this threatened desert reptile.
Why is the desert tortoise endangered?
The desert tortoise is listed as “threatened” under the Endangered Species Act. USGS WERC scientists, along with project partners have been conducting long-term analyses on how changes in the southwestern deserts of the United States can affect desert tortoise populations.
Where does the Mojave Desert Tortoise live?
The Mojave desert tortoise occurs in the Mojave and Sonoran deserts north and west of the Colorado River in southwestern Utah, southern Nevada, southeastern California, and northwestern Arizona in the United States. The Desert Tortoise is one of most elusive inhabitants of the desert, spending up to 95% of its life underground.