TIL kangaroos keep cool by licking their balls.

Read more: https://otagomuseum.nz/blog/roo-balls/

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  1. When overheating, male kangaroos sweat, and will often lick their scrotum. As the moisture evaporates, it draws heat away from the skin and helping to cool the testes.[3]

    Title should be “kangaroos keep their testicles cool by licking them”

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