UB researchers find rare otter fossil in Mexico

An article in National Geographic reports on research by Jack Tseng, assistant professor of pathology in the Jacobs School of Medicine and Biomedical Sciences, that suggests that otters may have migrated across America about 6 million years ago through Mexico. “Based on what we know about living otters, they need to be close to the water,” Tseng said, adding that the shape of limb bones from specimens of the now-extinct otters suggest the animal was not specially adapted to marine life and had the ability to move easily over land.

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http://www.nationalgeographic.com.au/animals/rare-otter-fossil-found-in-the-mexican-desert.aspx