Bats sleep 18-20 hours per day.
5
There are approximately three chickens for every human on Earth.
13
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Cats recognise the voice of their owner, but never evolved to care.
22
A giraffe's kick is so powerful that it can decapitate a lion.
216