Sharks have been on the planet longer than trees.
14
When cats are happy, they may squeeze their eyes shut.
10
Whales and dolphins can't taste anything other than salt.
11
There's a rare breed of pig that looks like a sheep.
14
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
In Australia, there are spiders big enough to eat snakes.
20
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250