When dragonflies mate, their tails form a love heart.
22
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Denmark has twice as many pigs as there are people.
66
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Sloths take two weeks to digest their food.
243
Sheep, goats, octopuses, and toads have rectangular pupils.
7