The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Tigers can see 6 times better at night than humans.
305
The elephant brain weighs about 6,000g.
274
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
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