Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
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
There's a rare breed of pig that looks like a sheep.
14
Tigers can see 6 times better at night than humans.
305
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13