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Genetic Analysis Splits Desert Tortoise into Two Species

By Guest PostJune 29, 2011Environment, Natureagassiz desert tortoise, arizona, army physician, california, california state university dominguez hills, colorado river, desert tortoise, dna evidence, endangered species act, fish and wildlife service, fws, genetic evidence, gopherus agassizii, gopherus morafkai, habitat preferences, j g cooper, kristin berry, Mexico, morafka desert tortoise, nevada, northern arizona, robert murphy, roy averill murray, san francisco earthquake, Smithsonian, species, us army fort irwin, usaf edwards air force base, usgs, utah

RIVERSIDE, Calif. – A new study shows that the desert tortoise, thought to be one species for the past 150 years, now includes two separate and distinct species, based on DNA evidence and biological and geographical distinctions.

This genetic evidence confirms previous suspicions, based on life history analysis, that tortoises west and east of the Colorado River are two separate species. (more…)

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Genetic Analysis Splits Desert Tortoise into Two Species