They have this third “parietal” eye on the top of their head that detects changes in light and helps avoid predators.
They can hold their breath for up to 30 minutes and dive to feed on underwater algae.
These species can "see" ultraviolet light that helps them detect predators and find the best relaxing spots.
Their long tails double as whips that can be used for defense against predators.
Iguanas are proper herbivores and they thrive on leafy greens, fruits, and flowers.
Even if they fall from over 40 feet and survive, their strong limbs and claws break the fall.
Their communication is through head bobs and body language and especially during mating season.