Are alligators bigger than crocodiles?

“Nile crocodiles are generally considered to be much more aggressive than American alligators or American crocodiles,” says Adam Rosenblatt, an expert on crocodilians and postdoctoral associate at the Yale School of Forestry and Environmental Sciences. read more

Crocodiles have long and pointed, V-shaped snouts while alligators have rounded, U-shaped snouts. Other differences include the shape of their jaws and hind legs. Their behavior is also starkly different, with crocs being more aggressive than gators. read more

There are three groups, or families, of crocodilians: the alligatoridae, consisting of alligators and caimans; the crocodylidae, consisting of the crocodiles; and the gavialidae, made up of only the gharial, a small fish-eating cousin of the larger, buffalo-munching crocs. read more