The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
In Australia, there are spiders big enough to eat snakes.
20
Whales and dolphins can't taste anything other than salt.
11
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
The reindeer is the only mammal that can see UV light.
17