Cats recognise the voice of their owner, but never evolved to care.
22
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
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
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Domestic pigs average a top speed of about 11 miles per hour.
182
There are approximately three chickens for every human on Earth.
13
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5