Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
A group of kittens is called a "kindle".
10
The reindeer is the only mammal that can see UV light.
17
A giraffe's kick is so powerful that it can decapitate a lion.
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