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The green iguana (Iguana iguana) is a large, arboreal lizard from Central and South America. They are typically about 2 metres in length from head to tail and can weigh up to 5 kg. These lizards have recently become extremely popular in the pet trade—over 800,000 animals were imported into the United States alone during 1995, mainly coming from captive farming operations based in the country of origin. Despite the apparent "mass market" appeal of these animals, however, they are very demanding to care for properly over their lifetime, and the great majority will die within a few short years. If properly cared for, a captive green iguana can live anywhere from eight to 16 years. The oldest known pet iguana lived 29 years.
In the wild, green iguanas are diurnal and herbivorous, and can be found living in trees and near water, into which they will dive if frightened. Because of their popularity in the pet trade and as food in Latin American countries, green iguanas are listed on the CITES Appendix II, which means they considered a threatened species.
Iguanas have an unusual behaviour when threatened- they bite onto the threatening creature and do not let go until forced to, or the threat is removed.
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