The Nile crocodile is one of the largest reptiles in the world.

The saltwater crocodile is the world's largest reptile and is very dangerous.

The American alligator lives in the swamps of the southern United States.

The Yangtze alligator, a native species of China, is designated as an endangered species.

He put himself in a situation as dangerous as jumping into a crocodile's mouth.

He is an American.

I plan to travel to North America next year.

The American bison is a large mammal native to North America.

The jaguar is known for its strength and beauty.

The American leopard is one of the fastest running animals in the jungle.