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
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
The largest breed of rabbit is the Flemish Giant.
65
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Cats and dogs can hear ultrasound.
350
In Australia, there are spiders big enough to eat snakes.
20
Penguins have a gland above their eye that turns saltwater into freshwater.
12