Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
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 cats are happy, they may squeeze their eyes shut.
10
Greyhounds have the best eyesight of any breed of dog.
28
A rat can go without water longer than a camel can.
26
To escape the grip of a crocodile's jaws, push your thumbs into its eyeballs. It will let you go instantly.
155
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492