Every year, billions of birds undertake intrepid journeys between temperate regions in North America and their tropical ...

A genetic analysis of the world's iguanas may have just solved an enduring mystery of how the creatures ended up in Fiji. Iguanas are native to the Western Hemisphere, but four species live in the ...

The humble iguana may have have pulled off an epic migration millions of years ago, traveling from the coast of today’s Mexico to Fiji on rafts made of vegetation.

While touching an iguana or its feces can cause salmonella, a new Centers of Disease Control & Prevention report links an iguana’s bite to a rare bacterial infection called mycobacterium marinum.

While touching an iguana or its feces can cause salmonella, a new Centers of Disease Control & Prevention report links an iguana’s bite to a rare bacterial infection called mycobacterium marinum.

Aguada Pichana iguanas live in a “hot desert” environment, the study said. Their arid and sandy habitat has “patches of shrubs.” Photos show the new iguana species in its natural habitat.

A version of this article appears in print on , Section D, Page 3 of the New York edition with the headline: Energy Study Answers Bird-Migration Mystery. Order Reprints ...

Aguada Pichana iguanas live in a “hot desert” environment, the study said. Their arid and sandy habitat has “patches of shrubs.” Photos show the new iguana species in its natural habitat.

Aguada Pichana iguanas live in a “hot desert” environment, the study said. Their arid and sandy habitat has “patches of shrubs.” Photos show the new iguana species in its natural habitat.