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.
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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