Dolphins have names for one another.
18
The octopus does not have a blind spot.
273
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Cats and dogs can hear ultrasound.
350
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79