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The original was posted on /r/todayilearned by /u/ClownfishSoup on 2023-10-14 00:26:27+00:00.

Original Title: TIL about he Hairy Frog, also known as the Wolverine Frog. When threatened, it breaks it’s own toe bones so that the sharp ends stick out of it’s toes like the X-men’s Wolverines claws. The toe bones eventually retract and grow back in place as the tissue heals over the hole.