Question: what is the difference between a crocodile and an alligator and a caiman?
Answer: Alligators and caimans belong to the same family Alligatoridea. They differ from crocodiles in that they have wider and shorter heads. Caimans teeth are longer and narrower than an alligators and are more agile. ... Alligators are the most common crocodilians in North America, confined to the southeast US.