A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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When dragonflies mate, their tails form a love heart.
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Penguins have a gland above their eye that turns saltwater into freshwater.
12
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17