Having already given you the lowdown on some of our favourite mammals, we would now like to delve into one of the most majestic members of the reptile family – the crocodile! Crocodiles are native to Australia, Asia, Africa and the Americas. They can also be seen in captivity all over the world. Crocodiles belong to the same family of reptiles as alligators, though they are different from alligators in several ways.

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Crocodile Facts

There are 13 different species of crocodiles, and they vary in size depending on the species to which they belong. Dwarf crocodiles are the smallest known species and will only grow to approximately 5.6 feet at most. Dwarf crocodiles will generally weigh around 15 pounds once they are fully grown. The largest known species of crocodile is the saltwater crocodile, measuring up to 20.24 feet, and weighing up to 2,000 pounds!

Crocodiles can live to between 30 and 75 years, and this will depend on the species as well as their environment.


Crocodiles are cold blooded animals who are unable to generate their own heat. Fortunately they always live in tropical climates. When temperatures do drop they tend to hibernate for many months at a time. Crocodiles may also hibernate in the event of a drought.

Life and Diet

Crocodiles are natural carnivores, meaning they generally only eat other animals. When they live in the wild they will take their pick from the abundance of fish, frogs and birds that they live alongside. However, when crocodiles live in captivity they will be fed pre-killed small animals, such as mice, fish and rats. Although they are competent hunters, their incredibly slow metabolisms mean that they can survive for many months without eating.

In order to aid with digestion, crocodiles will seek out small stones to swallow as they help to break down food when it enters the stomach.

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Crocodiles lay eggs in order to reproduce and will lay between 10 and 60 at a time! After a period of no longer then 110 days, the baby crocodiles will hatch. They will normally be around 8 inches at this time.

Endangered Species

Some species of crocodile are less common than others because of poaching. For example, the Cuban crocodile is at a critically endangered status, with approximately only 4,000 of them left on the planet.

Alligator or Crocodile

It is easy to get crocodiles confused with alligators, but there are several differences that can be easily observed. For example the jaw of the alligator is a U shape, whereas the jaw of the crocodile is more of a V shape. When a crocodile has its mouth closed you will be able to see that they have teeth sticking up over the upper lip, whereas this is not the case for alligators. Another huge difference between the two is that crocodiles are able to live in salt water areas thanks to the salt glands on their tongues, whereas alligators prefer freshwater areas as they do not have these glands and are therefore not able to secrete excess salt.

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