Sentence:  Newly hatched <WSD>caimans</WSD> eat insects. Young <WSD>caimans</WSD> are eaten by Jabirus, Wood Storks, Great Egrets, and raccoons. Adult <WSD>caimans</WSD> have no predators except human poachers. 
Meaning of the word marked with <WSD> tags:  Any of the relatively small crocodilians of genus "Caiman", within family Alligatoridae.