Mark MacEwen / Broad snouted caiman (Caiman latirostris) baby in mothers mouth being carried from nest, Sante Fe, Argentina, February

Ingo Arndt / American Alligator (Alligator mississippiensis) split level, Everglades, USA, January.

Bence Mate / Head portrait of young Spectacled caiman (Caiman crocodilus) with mouth open, and plant sapling, Santa Rita, Costa Rica

Bence Mate / Head portrait of young Spectacled caiman (Caiman crocodilus) with jaw closed, Santa Rita, Costa Rica

Bence Mate / Head portrait of young Spectacled caiman (Caiman crocodilus) partially submerged in water, with reflection, Santa Rita, Costa Rica

David Pattyn / Spectacled caiman (Caiman crocodilus) portrait with head just on water surface, Pantanal, Brazil

Mark MacEwen / Broad snouted caiman (Caiman latirostris) hatching from egg in nest, Sante Fe, Argentina, February

David Pattyn / Spectacled caiman (Caiman yacare) walking on a sandy shore at the edge of a river at night, Pantanal, Brazil

Pete Oxford / American alligator (Alligator mississippiensis) half submerged, Okefenokee National Wildlife Refuge, Florida, USA

Luiz Claudio Marigo / Jaguar (Panthera onca palustris) in water with Yacare Caiman (Caiman yacare), its teeth around the back of the prey's neck. Piquiri River, The Pantanal wetlands of Mato Grosso State, Brazil, October....

Luiz Claudio Marigo / Jaguar (Panthera onca palustris) dragging a Yacare Caiman (Caiman yacare) onto the bank of the Piquiri River. The Pantanal wetlands of Mato Grosso State, Brazil, October.

Luiz Claudio Marigo / Jaguar (Panthera onca palustris) struggling with a Yacare Caiman (Caiman yacare) in the Piquiri River. The Pantanal wetlands of Mato Grosso State, Brazil, October. Sequence 2/4