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Facts about Reptiles
Crocodiles are the largest reptiles, and the estuarine crocodile, at over 8 metres, is the largest of them all It is also one of the most dangerous, since it often adds people to its diet of fish and animals
The scales of a crocodile are made of ceratin, the same substance that hooves and fingernails are made of
A crocodile's tongue is attached to the roof of its mouth and cannot move it
Down in those jungle swamps a survivor from the Stone Age lurks Experts say that crocodile is probably the closest living relative of Tyrannosaurus Rex, which makes it nearly 195,000,000 years old!
The Gila monster is one of the two poisonous lizards in the world When it bites its prey, such as mice and rabbits, it squirts poison down through grooves in its teeth
The Australian frilled lizard can frighten off an intruder by suddenly spreading out its huge neck frill It opens its mouth wide, too, to look more fierce
The tuatara is just like a reptile that lived millions of years ago, even before the dinosaurs Today it only lives in New zealand, where it often shares a petrel's burrow In the day, the tuatara may even be left with a baby chick while the mother hunts for food
Some snakes, like grass snake, escape capture by pretending to be dead already Most meat-eating animals only feed on freshly-killed prey, and avoid animals that may have been dead for some time
This is a rock python Pythons and boas are large snakes that feed on animals as big as goats and deer The snake holds its prey in its mouth, then coils itself tightly round the animal so that it cannot breathe The snake may take several hours to swallow its meal
Some snakes, like grass snake, escape capture by pretending to be dead already Most meat-eating animals only feed on freshly-killed prey, and avoid animals that may have been dead for some time
The vibration of shell-like rings on the end of its tail makes the rattling sound The rattle is made up of dry, hard pieces of unshed skin As the snake grows, the number of rings increases So the louder the rattle, bigger the snake The snake will shake its rattle to fright away the intruder
There was once a snake in London Zoo, which was fitted with a glass eye
The Egyptian Plovers, pick off tiny animals that live on the crocodile's body They can even climb into its mouth without being harmed
The longest recorded life span of a tapeworm was 35 years!
A crocodile cannot stick its tongue out
Snakes can see through their eyelids
Many snakes never stop growing That's one reason they must shed their skin
A snail has two pairs of tentacles on its head One pair is longer than the other and houses the eyes The shorter pair is used for smelling and feeling its way around[*]Of the 650 types of leeches, only the Hirudo medicinalis is used for medical treatments

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Fun facts about reptiles and amphibians


There are 8,240 species of reptiles in the world, inhabiting every continent except Antarctica

Hundreds of millions of years ago, amphibians became the first vertebrates to live on land

Reptiles and amphibians are cold-blooded, or "ectothermic," animals, which means that they depend on external sources, such as the sun, to maintain their body temperatures Since they don't burn energy to heat internal "furnaces," reptiles eat 30 to 50 times less food than do birds and mammals (warm-blooded animals) of similar sizes

Some turtles and tortoises, including the Eastern box turtle, can live for more than a century

Only a few hundred of the world's 3,000 snakes are venomous In the United States, only rattlesnakes, copperheads, cottonmouths, and coral snakes are poisonous More Americans die each year from bee and wasp stings than from snake bites

One way to tell a frog and a toad apart: frogs have smooth, clammy skin, while toads have more dry, bumpy skin Both frogs and toads lay their eggs in water, but toads spend more of their time on land than do frogs

Averaging ten to 12 feet in length, the king cobra is the largest venomous snake in the world It is also the only known snake that builds a nest for egg incubation

Frogs can breathe not only with their lungs, but also through their skin A frog's skin is thin and contains many mucous glands that keep it moist Oxygen can be absorbed through this thin, damp skin

Depending upon the size of the meal, anacondas can go several months between meals

More than 75 percent of all toad and frog species in the world live in tropical rainforests

The emerald tree boa can strike a bird or small mammal in complete darkness The pits along the lips of most boas and pythons, and the nostril-like cavities of pit vipers, are infrared heat receptors Snakes use these pits to sense the location of anything that differs in temperature from its surroundings by as little as 04 degrees Fahrenheit