River systems of Central and South America. Amazon Basin.
 Amphibians, fish, reptiles, birds, and sometimes larger mammals.
 Humans (hunting). Lizards who try to get their eggs.
 There are many species of caimans. They belong to the Family Alligatoridae.

The Black caiman, found in the Amazon Basin is a very endangered species. It is the largest caiman and can grow up to 15 feet.

The Dwarf caiman is the smallest and grows to about 5 feet long.

The Spectacled caiman can grow up to 2.5 meters in length.

Caimans are a rugged creature and very adaptable to their environment.

Larger caimans have been known to kill wild pigs who venture too close to the water.

Caiman hide is a valued commodity and many caiman are killed for their skin.

Females lay from 12-40 eggs during the rainy season and the young take about 90 days to hatch. They build nests of soil on land in a covered area.