Penguins have a gland above their eye that turns saltwater into freshwater.
12
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A 42-foot sperm whale has about 7 tons of oil in it.
209
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
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
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10