Spines of saber-toothed cats tell a tale of the doomed species
Deformities, including evidence of a rare tumor, may have resulted from inbreeding
Fossils of Smilodon fatalis — similar to the one shown here — show an elevated rate of spinal diseases, including nerve tumors that are normally rare.
Momotarou2012/Wikimedia Commons (CC BY-SA 3.0)
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