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Iguanas are large, long-lived lizards native to tropical and subtropical regions of Central and South America, as well as some islands in the Caribbean and Pacific. They belong to the family Iguanidae within the order Squamata, which also includes snakes and other lizards. Iguanas are characterized by their long, slender bodies, sharp claws, and powerful tails, which they use for balance and defense. Their skin is covered in scales, which provide protection and help to regulate body temperature. Iguanas range in size from a few inches to several feet in length, depending on the species. Iguanas are primarily herbivorous, feeding on leaves, flowers, fruit, and other plant material. However, some species may also consume insects or small vertebrates. They are diurnal animals, active during the day and sleeping at night. Iguanas are also excellent swimmers and climbers, capable of traversing long distances in search of food or shelter. In terms of behavior, iguanas are territorial animals that defend their territory from intruders. They communicate through a variety of visual and auditory signals, including head-bobbing, arm-waving, and hissing. Iguanas also exhibit various forms of social behavior, such as aggregation and hierarchical organization. Overall, iguanas are fascinating creatures that play an important role in their ecosystems as both predators and prey. Their unique adaptations and behaviors make them a popular subject of study for biologists and conservationists alike.