Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Dogs sometimes fake being sick to get attention.
26
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Jellyfish as a species are actually older than dinosaurs and sharks.
383
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Rattlesnake mating sessions have been known to last more than 22 hours.
232