When you shave a guinea pig it looks like a little hippo.
19
Penguins have a gland above their eye that turns saltwater into freshwater.
12
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22