Florida fossil porcupine solves a prickly dilemma 10 million years in the making

PHYSorg
May 28, 2024, 12:10 pm118 pts
There's a longstanding debate simmering among biologists who study porcupines. There are 16 porcupine species in Central and South America, but only one in the United States and Canada. DNA evidence suggests North America's sole porcupine belongs to a group that originated 10 million years ago, but fossils seem…

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