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Related to common iguana: Green Iguana
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|Noun||1.||common iguana - large herbivorous tropical American arboreal lizards with a spiny crest along the back; used as human food in Central America and South America|
iguanid, iguanid lizard - lizards of the New World and Madagascar and some Pacific islands; typically having a long tail and bright throat patch in males
genus Iguana - type genus of the Iguanidae