Native to Mexico, Central America, northern South America, and the Caribbean islands. Feral populations are established in south Florida, Hawaii, deep south Texas, and the US Virgin Islands.
Green iguanas are mostly arboreal and live in tropical environments near permanent water sources. They are strong swimmers and will often cross waterways. Feral individuals are often found in suburban areas.
This large, herbivorous lizard is one of the most common pet reptiles. It starts out bright green and can be a variety of colors in adulthood. It is distinguished by a row of spiked scales down its spine which grow quite long on adults, large jowls adorned with hard circular scales, a long dewlap, and its impressive muscular body with a thick tail that often has black bands. They often reach 5 feet in total length, but can exceed 6 feet. Large adults can weigh over 20 lbs.
Learn more with Schechter Natural History's Guide to Reptiles and Amphibians