Human: Is there a difference between a crocodile and an alligator? Assistant: 
Yes, there is a difference between a crocodile and an alligator. Crocodiles are larger than alligators with the average size of a male adult being around 4-5 meters long while an alligator can reach up to 6-7 meters in length. Crocodiles have more prominent snouts and longer tails while alligators have shorter snouts and stubbier tails.