Sharks have been on the planet longer than trees.
14
Denmark has twice as many pigs as there are people.
66
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Cats recognise the voice of their owner, but never evolved to care.
22
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10