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Scientists find 5-million-year-old giant flying squirrel fossil in Tennessee, hinting at ancient migrations.
Researchers at East Tennessee State University have uncovered a fossil of a giant flying squirrel, about the size of a house cat, dating back 5 million years.
The squirrel likely migrated from Asia during a warmer climate and inhabited ancient Appalachian forests until Ice Ages drove it south, leading to its extinction.
The discovery, detailed in the "Journal of Mammalian Evolution," also reveals the site yielded fossils of a large, apex predator dog species.
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Los científicos encuentran un fósil de ardilla voladora gigante de 5 millones de años en Tennessee, lo que sugiere migraciones antiguas.