Cats recognise the voice of their owner, but never evolved to care.
22
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
A group of pugs is called a grumble.
10
In 1949, an official boxing match between a bear and a man was held. The bear won.
41