This photo provided by the United States Geological Survey shows a female Lau banded iguana in Fiji. (Robert Fisher/U.S. Geological Survey via AP) An iguana on a tree branch, with the rest of the tree ...

This photo provided by the United States Geological Survey shows a female Lau banded iguana in Fiji. (Robert Fisher/U.S. Geological Survey via AP) ...

A genetic analysis reveals that Fiji’s iguanas are most closely related to lizards living in North America’s deserts. How is this possible? With their bright green scales and powder blue and ...