Giant Ameiva

The Giant Ameiva (Ameiva ameiva), also known as Green Ameiva, South American Ground Lizard, and Amazon Racerunner, is a species of lizard in the family Teiidae found in Central and South America and some Caribbean Islands.

It is widespread in Central America and South America, including: Panama, Trinidad, Tobago, Brazil, Colombia, Surinam, French Guiana, Guyana, Venezuela, Bolivia, Ecuador, Peru, Argentina, and Paraguay. It is also found on the Caribbean islands of Trinidad and Tobago, Grenada, the Grenadines, Margarita, Swan Island, and Isla de la Providencia. It was also once present on Saint Vincent but has since been extirpated.
credit: http://en.wikipedia.org/wiki/Ameiva_ameiva