The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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Sheep, goats, octopuses, and toads have rectangular pupils.
7
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
In Australia, there are spiders big enough to eat snakes.
20