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How large can green iguanas become?

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black girdle-tailed lizard — lizard Black girdle-tailed lizard (*Cordylus nigra*).

Green iguanas (Iguana iguana) are among the largest members of the lizard family Iguanidae. Males of this species can reach a maximum length of over 2 meters (6.6 feet) and weigh up to 8 kg (17.6 pounds).1