Facts about Green Iguana

1. 08

   An adult green iguana's heart rate can drop from approximately 40 beats per minute at rest to nearly zero during extended underwater submersion, allowing survival for up to 30 minutes submerged.

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2. 07

   Herbivorous green iguanas consume primarily leafy vegetation and fruits, requiring a diet of 90 percent plant matter to maintain proper calcium-to-phosphorus ratios for bone health.

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3. 06

   Green iguanas can change their skin color from bright green to darker shades of blue or brown in response to temperature, stress, and social hierarchy within their population.

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4. 05

   Green iguanas possess teeth that are continuously replaced throughout their lifetime, with new teeth growing in to replace worn ones in a process similar to sharks.

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5. 04

   The green iguana's third eye, located on top of its head, can detect changes in light and shadow to help regulate circadian rhythms and basking behavior.

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6. 03

   Female green iguanas lay between 20 to 70 eggs in underground burrows, which incubate for approximately 65 to 115 days before hatchlings emerge.

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7. 02

   A green iguana's dewlap, a large flap of skin beneath its jaw, expands during territorial displays and can measure up to 2 inches in length.

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8. 01

   Reaching lengths up to 6.5 feet from head to tail, green iguanas are native to Central and South America and can live 15 to 20 years in captivity.

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