Desert Tortoise Fact Sheet

Class:
Reptilia
Order:
Testudines
Family:
Testudinidae
Genus:
Gopherus
Species:
agassizii
Life span:
50 – 80 years
Egg Gestation:
Females lay 1 – 3 clutches of 2 – 15 eggs between May and June.
Incubation is 90 – 135 days
Number of young at birth:
4 – 8
Age of maturity:
15 – 20 years
Size:
The upper shell ranges between 6 – 14 in. long
Weight:
24 – 51 lb
Size at birth:
2 in.
Range: Southwestern United States to Northwestern Mexico
Habitat: Desert
Diet: Wild grass, flowers, cactus pads and fruit. 

 

Fun Facts:

  • The shell is high domed with prominent growth lines on shields of both the upper and lower shell sections. The top is brown or horn-colored; the bottom is yellowed.

  • Females can give birth for up to 15 years after initial mating with the male.

  • Desert tortoises are inactive most of the year.

  • They spend much of their life in burrows and rock shelters in order to regulate body temperature and reduce water loss.

  • Rough scales on the front legs along with high domed shell make the desert tortoise practically invulnerable.

  • Vulnerable species due to human related changes to the environment.

 

Back to Reptiles