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Depends on environmental conditions. Every 1, 2, or 3 years.
In the wild: 90-120 days
Males: about 45 mm (1.8 in) carapace length
Females: 42 mm (1.7 in) carapace length
At least 35 years; may live 50-100 years
Largest terrestrial turtle in the United States
Claws on front limbs for digging burrows and nests
After foraging, often assume a limp, spread-eagle posture with limbs and neck extended
Communicate with head-bobbing displays, vocalizations, and odors
Mortality in wild for juveniles more than 90%
Diverse conservation challenges (hit by cars, competition with livestock, drought, human collection and removal); many conservation groups working to help the desert tortoise's recovery, including San Diego Zoo Wildlife Alliance and our partners
How to cite: Desert Tortoise (Gopherus agassizii) Fact Sheet. c2010. San Diego (CA): San Diego Zoo Wildlife Alliance; [accessed YYYY Mmm dd]. http://ielc.libguides.com/sdzg/factsheets/ deserttortoise (note: replace YYYY Mmm dd with date accessed, e.g., 2015 Sep 10)
Disclaimer: Although San Diego Zoo Wildlife Alliance makes every attempt to provide accurate information, some of the facts provided may become outdated or replaced by new research findings. Questions and comments may be addressed to firstname.lastname@example.org.
Release & Recovery
Learn how research conducted by San Diego Zoo Wildlife Alliance and its partners has shaped desert tortoise conservation programs.
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