)many people think there is no difference between an alligator and a crocodile. (2)however, the alligator's snout is shorter and broader than that of a crocodile. (3)a more dramatic difference between the two creatures lies in how dangerous they are to humans. (4)there are very few documented instances in which alligators have killed a person. (5)on the other hand, crocodiles, particularly those along the nile river, are quite dangerous to humans. (6)it is said, in fact, that as far as killing people is concerned, crocodiles are second only to poisonous snakes.