"Horned" Green Iguana

Green iguanas from Guatemala and southern Mexico have small horns on their snouts between the eyes and nostrils, whereas others do not. Scientists once classified these iguanas as a different subspecies (Iguana iguana rhinolopha). However, this classification's found to be invalid as iguanas with similar nose projections appear randomly in other populations and interbreed freely with those that do not share this trait.

Photo copyrighted by Toni K. Ip.     Unauthorized reproduction is strictly prohibited.

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