Physical Description
This semiaquatic lizard spends part of its time in the water, using a third, clear eyelid as a goggle. Caiman lizards are also excellent climbers. When threatened, they often drop into the water to escape, but they can also whip their tails and bite.
Size
Caiman lizards range from 0.6 to 1.3 meters (2 to 4 feet) in length and can weigh up to 4.5 kilograms (10 pounds).
Native Habitat
Found in Ecuador, Colombia, Brazil, Peru, and the Guianas, caiman lizards live in swampy areas and flooded woodlands. They spend most of their time basking on low branches and roots overhanging marshes, forests, and streams, ready to drop into the water to escape danger.
Food/Eating Habits
Caiman lizards are carnivores, feeding mainly on invertebrates like snails, crawfish, and freshwater clams. They also prey on Amazon river turtles. At the Smithsonian's National Zoo, they eat mealworms, snails, and crawfish.
Sleep Habits
These lizards forage during the day and hide in trees and bushes at night. They spend most of their time in the water or basking on branches.
Reproduction And Development
Little is known about their reproductive behavior. Females lay five to seven eggs per clutch, with an incubation period of about 179 days. Eggs are laid in holes in the riverbank and covered. Hatchlings are independent from birth.
Conservation Efforts
Once widely hunted for their leather, caiman lizard populations have recovered thanks to 1970s regulations. Today, they face threats from pollution, deforestation, and habitat loss. Indigenous people also hunt them for meat. Research is needed to determine the sustainability of these practices and to understand the lizard's response to environmental changes.
Help This Species
Reduce, reuse, and recycle. Avoid animal-skin products, even those marked “faux,” to help prevent illegal hunting.
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