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
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
A dork is a whale's penis.
327
Sloths take two weeks to digest their food.
243
A 42-foot sperm whale has about 7 tons of oil in it.
209