Sloths take two weeks to digest their food.
243
A cow produces around 200,000 glasses of milk in her lifetime.
373
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
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Gorillas can catch human colds and other illnesses.
205
The largest breed of rabbit is the Flemish Giant.
65