Pete Oxford / Green Iguana (Iguana iguana) female in nest burrow, Banco Chinchorro, Yucatan Peninsula, Mexico

Pete Oxford / American Crocodile (Crocodylus acutus) nest excavated by nesting female Green Iguana (Iguana iguana), Banco Chinchorro, Yucatan Peninsula, Mexico

Pete Oxford / Green Iguana (Iguana iguana) male showing large dewlap, Banco Chinchorro, Yucatan Peninsula, Mexico

Pete Oxford / Green Iguana (Iguana iguana) male showing large dewlap, Banco Chinchorro, Yucatan Peninsula, Mexico

Stephen Dalton / Close up of eye of Common green iguana (Iguana iguana)

Stephen Dalton / Close up of ear of Common green iguana (Iguana iguana) showing tympanic membrane

Patricio Robles Gil / Fiji Crested Iguana (Brachylophus vitiensis) beside Heliconia, endemic to Fiji and Tonga

Tim Fitzharris / Green Iguana (Iguana iguana) amid green leaves, Roatan Island, Honduras

Claus Meyer / Green Iguana (Iguana iguana) clinging to branch in tropical rainforest, Caatinga, Brazil

Tim Fitzharris / Green Iguana (Iguana iguana) portrait, Honduras

PREMAPHOTOS / Common iguana juvenile in forest (Iguana iguana) Costa Rica

David Perpinan / Burn from heat lights in a captive green iguana (Iguana iguana). Burns are common in captive reptiles. Small repro only