There's a lizard known as the 'Jesus Lizard' that can run across water.
11
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Cats sleep for 70% of their lives.
8
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
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
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2