The reindeer is the only mammal that can see UV light.
17
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8