A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Alligators can live up to 100 years.
337
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Domestic pigs average a top speed of about 11 miles per hour.
182
Rattlesnake mating sessions have been known to last more than 22 hours.
232