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Surprise: Alligators can regenerate their tails when they're young.
Bigger Surprise: No one seems to have discovered this until now.
FULL STORY: https://www.sciencealert.com/it-s-n...s-young-alligators-can-regrow-their-tails-too
Bigger Surprise: No one seems to have discovered this until now.
In an Unexpected Twist It Turns Out Alligators Can Regrow Their Tails Too
Cornered by a dangerous predator, a gecko can self-amputate its still twitching tail, creating a fleeting moment of distraction - a chance for the lizard to flee with its life.
Small reptiles such as geckos and skinks are well known for this remarkable ability to sacrifice and then rapidly regrow their tails. Now, to scientists' surprise, it turns out that much larger alligators can regrow theirs too. But only while they're young.
Juvenile American alligators (Alligator mississippiensis) can regrow up to 18 percent of their total body length back. This is about 23 cm or 9 inches of length.
What's really cool is this regrowth appears to occur via a mechanism we've not seen before.
By imaging and dissecting the tail regrowth, researchers from Arizona State University (ASU) found alligators do this quite differently from the other animals we know that can regenerate their appendages. ...
FULL STORY: https://www.sciencealert.com/it-s-n...s-young-alligators-can-regrow-their-tails-too