A crocodile, for one, is a large REPTILE that belongs to the order Crocodilia. It is an ancient species that has been around for millions of years and is found in tropical regions around the world. They are known for their long snouts, powerful jaws, and thick armor-like scales. They are also excellent swimmers and can stay submerged underwater for long periods of time. Crocodiles are carnivorous animals and feed on fish, birds, and other small animals.