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Gopher tortoises, like other tortoises of the genus Gopherus, are known for their digging ability. Gopher tortoises spend most of their time in long burrows (up to 80% of their time). [19] On average, these burrows are 15 feet (4.6 m) long and 6.5 feet (2.0 m) [13] deep, but can extend up to 48 feet (15 m) in length and 9.8 feet (3.0 m) deep. [14]
Gopher tortoises are so named because of some species' habit of digging large, deep burrows (gophers are small terrestrial burrowing rodents). Most notably, Gopherus polyphemus digs burrows which can be up to 40 feet (12 m) in length and 10 feet (3.0 m) in depth. [ 2 ]
The humidity within burrows prevents dehydration. Burrows also provide protection from predators. The availability of adequate burrow sites influences desert tortoise densities. [8] Each desert tortoise uses about 5 to 25 burrows per year. Some burrows are used repeatedly, sometimes for several consecutive years.
The Bolson tortoise (Gopherus flavomarginatus), also called the Mexican giant tortoise, Mexican gopher tortoise, yellow-bordered tortoise or yellow-margined tortoise, is a species of tortoise from North America. Of the six North American tortoise species, it is the largest, having a carapace length of about 46 cm (18 in).
the Mojave or Agassiz's desert tortoise (Gopherus agassizii); known primarily from the California counties of Imperial, Inyo, Kern, Los Angeles, Riverside, San Bernardino, and San Diego. [5] Its range continues northeast of Death Valley and the Mojave Desert through the Nevada counties of Clark , Esmeralda , Lincoln and Nye , as well as Mohave ...
The Texas tortoise (Gopherus berlandieri) is a species of tortoise in the family Testudinidae. The species G. berlandieri is one of six species of tortoises that are native to North America. Geographic range
The mouse depends on the gopher tortoise (also endangered) for its survival, because it makes its burrows from tortoise burrows, or in the absence of those, oldfield mouse burrows. [182] Non-native species brought in boats by colonizers are the black rat, brown rat and house mouse.
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