If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
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Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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A group of kittens is called a "kindle".
10