Iguania
Iguania is a suborder of Squamata, which includes a diverse group of lizards. Members of this suborder are commonly referred to as iguanas and their relatives. Iguania is characterized by a unique set of morphological and behavioral traits that distinguish them from other lizard groups.
Characteristics[edit | edit source]
Iguanians are primarily distinguished by their tongue morphology and feeding behavior. Unlike other lizards, iguanians have a fleshy, non-forked tongue that they use to capture prey. This is in contrast to the forked tongues of Scleroglossa, another major group of lizards.
Iguanians are also known for their well-developed limbs and claws, which are adapted for climbing and grasping. Many species are arboreal, living in trees, although some are terrestrial.
Distribution[edit | edit source]
Iguanians are found in a wide range of habitats across the world, including tropical rainforests, deserts, and temperate regions. They are particularly diverse in the Americas, but are also found in Africa, Asia, and Australia.
Families[edit | edit source]
The suborder Iguania is divided into several families, including:
- Iguanidae - True iguanas, including the well-known Green Iguana (Iguana iguana).
- Agamidae - Agamas, which are found in Africa, Asia, and Australia.
- Chamaeleonidae - Chameleons, known for their ability to change color and their independently mobile eyes.
Evolution[edit | edit source]
Iguanians are believed to have diverged from other squamates during the Cretaceous period. Fossil evidence suggests that they were once more widespread, with ancient iguanians found in regions where they are no longer present today.
Behavior[edit | edit source]
Iguanians exhibit a wide range of behaviors, from the territorial displays of chameleons to the social hierarchies of anoles. Many iguanians are diurnal, active during the day, and rely on visual cues for communication.
Conservation[edit | edit source]
Several iguanian species are threatened by habitat loss, climate change, and the pet trade. Conservation efforts are underway to protect these unique reptiles and their habitats.
Also see[edit | edit source]
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