Denmark has twice as many pigs as there are people.
66
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
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 newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13