Crocodilians are a group of large reptiles that includes crocodiles, alligators, caimans and the gharial. Crocodilians are semi-aquatic predators that have changed little since the time of the dinosaurs.
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 Nile Crocodile |  Hatchling Nile Crocodile |  Saltwater Crocodile |  Gharial |
 American Alligator |  American Alligator |  Spectacled Caiman |  Crocodile |
 Caiman |  Caiman |  American Alligator |  American Alligator |
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