Western Spiny-tailed Iguana vs. Black Spiny-tailed Iguana

Western and Black spiny-tailed iguanas both live on Florida's coasts: the Western on Gasparilla Island, Key Biscayne and in Broward, the Black in Miami-Dade, the Keys and the Gulf islands. A: No clear crossbands on the body; often an irregular piebald pattern in the Western Spiny-tailed Iguana; bold black crossbands in the Black Spiny-tailed Iguana. The two are close relatives and their names have long been mixed up; young of both are bright green.

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