Green Iguana. Is a genus of lizard native to tropical areas of Central and South America and the Caribbean.
Green iguana on the San Carlos river in Costa Rica. The two species of lizard within the genus Iguana possess a dewlap, a row of spines running down their back to their tail, and a third "eye" on their head. This eye is known as the parietal eye, visible as a pale scale on the top of the head. Behind their neck are small scales which resemble spikes, known as tuberculate scales. They also have a large round scale on their cheek known as a subtympanic shield. Iguanas have excellent vision and are able to see shapes, shadows, color and movement at long distances. Iguanas use their eyes to navigate through crowded forests, as well as for finding food. They also use visual signals to communicate with members of the same species. They respond to visual stimulus of colors such as orange, yellow, pink, and in rare cases blue as food substances. An iguana's ear is known as the tympanum. It is the iguana's ear drum, and is located right above the subtympanic shield and behind the eye. The color green helps as a mode of hiding.
Size: 5000px × 3333px
Location: Muelle, San Carlos, San José, Costa Rica, Central America
Photo credit: © Tanguy de Saint-Cyr / Alamy / Afripics
License: Licensed
Model Released: No
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