Human: Why are crocodiles more dangerous than alligators? Assistant: 
Crocodiles and alligators are both members of the family Alligatoridae. The two species differ in size, habitat, diet, and behavior. Crocodile is a larger animal that can reach up to 20 feet long, while an adult alligator usually stays between 6 and 10 feet long. Crocodiles live in saltwater rivers, lakes, and oceans, while alligators prefer freshwater habitats such as swamps and marshes. Crocodiles eat fish, turtles, birds, and mammals, while alligators mainly feed on reptiles, amphibians, and small mammals. Finally, crocodiles are much more aggressive than alligators, which tend to be more docile and solitary animals.