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5 million-year-old tooth from Tennessee belongs to house cat-size flying squirrel
Researchers have identified a giant flying squirrel fossil from a cache of unusual animal remains dug out of an ancient ...
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Giant flying squirrels as big as cats once lived in Tennessee
Giant flying squirrels that were as big as house cats glided across North America around 5 million years ago, researchers have discovered, after identifying an unusual fossil found inside an ...