The temperature of the saltwater crocodile's egg will determine the gender of the new born crocodile.
Certain Chinese and American alligators can survive the winter by freezing their heads in ice for months on end, leaving their nose out to breathe.
The Galapagos Tortoise has a potential life span of 200 years.
Snakes are immune to their own poison.
A crocodile cannot stick its tongue out.
Of the approximately 200 eggs laid by a female leatherback sea turtle an average of two will survive their youth and grow to adulthood.
A chameleon's tongue is twice the length of its body.
A crocodile's digestive juices are so strong that it can digest a steel nail.
The tuatara lizard's metabolism is so slow they only have to breathe once an hour.
Reptiles never stop growing.
An alligator has about 80 teeth in its mouth at one time. An alligator can go through 3000 teeth in a lifetime.
The female green turtle sheds tears as she lays her eggs on the beach. This washes sand particles out of her eyes and rids her body of excess salt.
An iguana can stay under water for 28 minutes.
Certain types of snakes can go months without eating.
Snakes and lizards flick their tongues in the air to capture scent particles. They smell with their tongue.
The Blanding's turtle is sometimes found swimming under the ice.
The African egg-eating snake swallows eggs whole, and then use tiny "spikes" extending internally from its spine to crack the egg open and swallow the nutritious contents. Lastly, it will regurgitate the unneeded egg shell in a neatly folded piece.
Reptiles are found on every continent except Antarctica.
There are more than 8000 reptile species in the world.
Reptiles have scales or horny plates that cover their body.
Reptiles are called cold-blooded because they can't regulate their own body temperature. Their body temperature is dependent on the external temperature.
Most reptiles lay eggs which have leathery shells that are resistant to drying.