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

Edwin Giesbers / Saltwater crocodile (Crocodylus porosus) close up portrait, Sarawak, Borneo, Malaysia

Alex Mustard / American crocodile (Crocodylus acutus) reflected in the surface as it floats, Jardines de la Reina, Gardens of the Queen National Park, Cuba. Caribbean Sea.

Francois Savigny / Spectacled caiman head on {Caiman sclerops} Llanos, Hato El Frio, Venezuela

Francois Savigny / Spectacled caiman {Caiman crocodilus} jaw and teeth close-up. Llanos, Venezuela, S. America

Francois Savigny / Spectacled caiman head close-up {Caiman crocodilus} Llanos, Venezuela Hato el Frio

Claudio Contreras / American crocodile (Crocodylus acutus) rear view of animal swimming away over seagrass bed, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

Claudio Contreras / American crocodile (Crocodylus acutus) split level with animal resting at surface in shallow water over seagrass bed, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

Claudio Contreras / American crocodile (Crocodylus acutus) rear view of animal resting in shallow water, close up of tail, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

Claudio Contreras / American crocodile (Crocodylus acutus) resting just above seagrass underwater, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

Claudio Contreras / American crocodile (Crocodylus acutus) extreme close up with jaws open, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

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