“A common ancestor between the green iguana [Iguana iguana] and the Galápagos marine iguana [Amblyrhynchus cristatus] would have been my first guess as the predecessor for the Fijian iguanas ...

"That's where this was born," Johnson said, laughing over the grill. The green iguana, native to Central and South America, has become an invasive species in South Florida. These reptiles are ...