Venezuelan biologist Carlos Alvarado, 34, has one hand on the young crocodile's neck and another on its tail. With the help ...

An investigation of the American crocodile produced surprising results. Discover more about the two new crocodile species in ...

Because saltwater crocodiles can live up to 70 years and grow throughout their lives — reaching up to 7 meters (23 feet) in length — the proportion of large crocodiles is also rising.