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
When you shave a guinea pig it looks like a little hippo.
19
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Cats and dogs can hear ultrasound.
350
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3