Michel Roggo / Spectacled caiman (Caiman crocodylus) at water surface. Beni, Bolivia, October.

Hiroya Minakuchi / American Crocodile (Crocodylus acutus) on riverbank, Costa Rica

Michael & Patricia Fogden / American Crocodile (Crocodylus acutus) pair basking, Tarcoles River, Costa Rica

Christian Ziegler / American Crocodile (Crocodylus acutus) female digging up buried eggs after her babies start to hatch, Barro Colorado Island, Panama

Pete Oxford / American Crocodile (Crocodylus acutus) in shallow water, Jardines de la Reina National Park, Cuba

Pete Oxford / American Crocodile (Crocodylus acutus) in shallow water, Jardines de la Reina National Park, Cuba

Michel Roggo / Spectacled caiman (Caiman crocodylus) with Piranha in mouth. Pantanal, Mato Grosso, Brazil.

Pete Oxford / Spectacled caiman {Caiman crocodylus} Amazonia, Ecuador

Claus Meyer / American Crocodile (Crocodylus acutus) resting on bank, Riohacha, Colombia

Miles Barton / Comparison baby crocodile species: (Top) Orinoco crocodile {Crocodylus intermedius} and common caiman {caiman crocodylus}

Hiroya Minakuchi / American Crocodile (Crocodylus acutus) thermoregulating on riverbank, Costa Rica

Hiroya Minakuchi / American Crocodile (Crocodylus acutus) floating in water with just eyes showing, Costa Rica

Michael & Patricia Fogden / American Crocodile (Crocodylus acutus) trio in Tarcoles River, Costa Rica

Claus Meyer / American Crocodile (Crocodylus acutus), Riohacha, Colombia