A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The cat brain weighs about 30g.
167
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
The oldest recorded elephant lived for 82 years.
213
Rattlesnake mating sessions have been known to last more than 22 hours.
232