Why does the crocodile have spots?

This isn't a Just So Story. It's a science story — but don't worry, it's still weird. New research suggests that the spotty bumps that pepper the skin of crocodiles and alligators are even more receptive to touch than human fingertips. But how do the spots work — and what purpose do they serve?

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Alligators use cannibalism as the ultimate population control

If you're a baby alligator, there's about a 1 in 16 chance that your elders will eat you. It's nothing personal...it's just the simplest way for these gators to deal with a temporary food shortage and keep their population stable.

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