This video from the USA says about itself:
Green Iguana Feeding in Florida
7 November 2016
Large wild male Green Iguana Lizard feeding on plants. They are quite stunning multicolored lizards – this one really has more blue than green on its head. Descendants of escaped or released pets – iguanas are now freely breeding in the wild and gradually spreading northward with warm winters. Small iguanas and their eggs have many predators that eat them limiting their numbers, but once they reach two feet tall and larger they have few natural enemies. They can reach six feet in length, but 3 or 4 feet long like this one is more common. This one was spotted in Palm Beach County. Hard winter freezes will generally limit their northward advances to around Palm Beach County and south of Lake Okeechobee.
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