Alligators can live up to 100 years.
337
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Cats and dogs can hear ultrasound.
350
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
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
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