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The desert tortoise is the official state reptile in California and Nevada. [6] The desert tortoise lives about 50 to 80 years; [7] it grows slowly and generally has a low reproductive rate. It spends most of its time in burrows, rock shelters, and pallets to regulate body temperature and reduce water loss.
the Sonoran or Morafka's desert tortoise (Gopherus morafkai); [8] found east of the Colorado River, primarily in the Arizona counties of Cochise, Gila, Graham, La Paz, Maricopa, Mohave, Pima, Pinal, Santa Cruz, Yavapai and Yuma. [9] Found in the Sonoran Desert, in the states of Sonora and Sinaloa, Mexico.
Edwards et al. sampled 233 tortoises that represented Sonoran and Sinaloan lineages of G. morafkai. [6] The authors then conducted a large-scale genetic analysis that when combined with significant ecological and morphological differentiation, suggested that the southernmost Gopherus "Sinaloan" population constituted a newly described species ...
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Desert tortoise (Gopherus agassizii) drinking from roadway in Joshua Tree National Park. The diet of tortoises contain excess salt, sodium, chloride, and potassium that must be purged from the body, and drinking free standing water, even if only once or a few times each year, is essential for this function and for tortoise survival.
A 3.5-million-acre swath of Mojave Desert, between Ridgecrest and the Morongo Basin, has been named a sentinel landscape, a federally led effort to promote sustainable land-use near military ...
As of November 1, 2009, the United States Fish and Wildlife Service listed approximately 1,200 animals as endangered or threatened in North America.. Note: This list is intended only for species listed as endangered under the United States Endangered Species Act (ESA) and the United States Fish and Wildlife Service, not species listed as endangered by other countries or agencies such as the ...
A federal judge ruled the Bureau of Land Management's off-road plan didn't show how it minimized impacts to the desert tortoise, a move environmentalists hope will lead to safeguards for the ...