Dolphins have names for one another.
18
Sharks have been on the planet longer than trees.
14
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Cats recognise the voice of their owner, but never evolved to care.
22
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6