Close-up of head of Black caiman (Melanosuchus niger), Lake Yacumama, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America

Black Caiman, night time in the Amazon, Ecuador.

Caiman, Ecuador.

Black Caiman, night time in the Amazon, Ecuador.

Spectacled caiman (Caiman crocodilus yacare), open mouth with leeches, animal portrait, Pantanal, Mato Grosso, Brazil, South America

Yacare caiman (Caiman crocodilus yacara), Pantanal, Mato Grosso, Brazil, South America

Caiman, Spectacled Caiman (Caiman crocodylus yacare) Pantanal, Brazil, South America

Yacare caiman (Caiman crocodilus yacara) in the water, Pantanal, Mato Grosso, Brazil, South America