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 cow produces around 200,000 glasses of milk in her lifetime.
373
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Early American humans hunted car-size armadillos and used their shells for houses.
12
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
A group of pugs is called a grumble.
10