Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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A group of kittens is called a "kindle".
10
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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