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Bolson Tortoise

Scientific Name:
Gopherus flavomarginatus

Status:
Endangered

Distribution:
Chihuahuan Desert in northern Mexico

Habitat:
North Central Mexico in states of Chihuahua, Coahuila and Durango.

Diet:
Feed from Tobosa bunch grass, which has been replaced by irrigated pastures for cattle in some places.

Length:
46cm (18 inches).

Weight:
8-15lbs.

Reproduction:
Start breeding at 12-15 years of age. Mating has been observed from early spring to fall. Viable sperm retained by female has resulted in fertilization a year and a half after copulation. Nest size varies from 2-14 eggs and incubation period is 90-135 days depending on temperature.

Longevity:
80-100 years.

General Description:
Flavomarginatus derives from Latin flavis meaning yellow and marginatus meaning edge or border and refers to the coloration of the marginal scutes.

Behavior:
Live in colonies of up to 100 individuals, forage for food during early and late daylight hours. During rest of day hide from sun inside their burrows.

Did you know? Bolson tortoise is the largest reptilian, terrestrial, herbivore in North America.


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