New research reveals that saltwater crocodiles are spending more time at or close to their critical thermal limit. Here's ...

The order Crocodilia can be subdivided into four general categories: alligators, their close cousins caimans, crocodiles, and gharials. Despite how common alligators are in the southeastern US ...

There are between 7,500 and 8,000 total reptile species, with lizards and snakes accounting for the vast majority. Crocodilia, Squamata, Sphenodonita, and Testudines are the four major reptile groups.