Roland Seitre / Two baby Common caimans (Caiman crocodilus) aged three days, taken against a plain background, Aquarium du Val de Loire, Amboise, France. Captive, native to Central and South America.

Roland Seitre / Five baby Common caimans (Caiman crocodilus) aged three days, taken against white background, Aquarium du Val de Loire, Amboise, France. Captive, native to Central and South America.

Roland Seitre / Six Common caiman (Caiman crocodilus) eggs in incubator, Aquarium du Val de Loire, Amboise, France. Captive, native to Central and South America.

Roland Seitre / Incubator with six Common caiman (Caiman crocodilus) eggs on the top shelf and newly hatched young on lower shelf, Aquarium du Val de Loire, Amboise, France. Captive, native to Central and South Ameri...

Roland Seitre / Baby Common caiman (Caiman crocodilus) emerging from egg, Aquarium du Val de Loire, Amboise, France. Captive, native to Central and South America.

Roland Seitre / Fingers holding Common caiman (Caiman crocodilus) emerging from egg, Aquarium du Val de Loire, Amboise, France. Captive, native to Central and South America.

Michel Roggo / Cuvier's dwarf caiman (Paleosuchus palpebrosus) Rio Olhio d'agua, tributary of Rio da Prata, Bonito area, Serra da Bodoquena (Bodoquena Mountain Range), Mato Grosso do Sul, Brazil.

Michel Roggo / Yacare caiman (Caiman yacare) at surface of water, Pantanal, Brazil.

Michel Roggo / Yacare caiman (Caiman yacare) at surface of water, Pantanal, Brazil.

Michel Roggo / Yacare caiman (Caiman yacare) looking through vegetation, Pantanal, Brazil.

Michel Roggo / Yacare caiman (Caiman yacare) underwater close up of foot, Pantanal, Brazil.

Michel Roggo / Yacare caiman (Caiman yacare), Pantanal, Brazil.

Michel Roggo / Yacare caiman (Caiman yacare) in clear stream, Pantanal, Brazil.

Hermann Brehm / Black Skimmer (Rynchops nigra) skimming near Spectacled Caiman (Caiman crocodilus) Pantanal, Brazil.

Hermann Brehm / Spectacled Caiman (Caiman crocodilus) thermoregulating with mouth open, Pantanal, Brazil.

Hermann Brehm / Spectacled Caimans (Caiman crocodilus) basking, Pantanal, Brazil.

Hermann Brehm / Black Skimmer (Rynchops nigra) skimming near Spectacled Caiman (Caiman crocodilus) Pantanal, Brazil.

Hermann Brehm / Black Skimmer (Rynchops nigra) skimming near Spectacled Caimans (Caiman crocodilus) Pantanal, Brazil.

Hermann Brehm / Spectacled Caiman (Caiman crocodilus) thermoregulating with mouth open, Pantanal, Brazil.

Hermann Brehm / Spectacled Caiman (Caiman crocodilus) thermoregulating with mouth open, Pantanal, Brazil.

Hermann Brehm / Capybara (Hydrochaeris hydrochaeris) family with Spectacled Caiman (Caiman crocodilus) Pantanal, Brazil.

Angelo Gandolfi / Great Egret (Ardea alba) fishing from discarded tyre, with Yacare Camain (Caiman yacare) thermoregulating, Pantanl near the Transpantaneira, Mato Grosso, Brazil

Angelo Gandolfi / Great Egret (Ardea alba) and Yacare Caiman (Caiman yacare) thermoregulating. Pantanal, Brazil

Angelo Gandolfi / Yacare Caiman (Caiman yacare) with butterfly (Paulogramma pyracmon) resting on its snout, Pantanal, Brazil.

Angelo Gandolfi / Yacare Caiman (Caiman yacare) with mouth open to keep cool, Pantanal, Brazil.

MYN / Andrew Snyder / Smooth-fronted caiman (Paleosuchus trigonatus) head, Kanuku Mountains, Guyana. Meetyourneighbours.net project

Chris & Monique Fallows / Spectacled caiman (Caiman crocodilus) in dominance display, Pantanal, Brazil.

Chris & Monique Fallows / Spectacled caiman (Caiman crocodilus) feeding on fish, Pantanal, Brazil.

Chris & Monique Fallows / Spectacled caiman (Caiman crocodilus) feeding on fish, Pantanal, Brazil.

Chris & Monique Fallows / Black Skimmer (Rynchops niger) flying above spectacled caiman (Caiman crocodilus) holding fish. Pantanal, Brazil.

Franco Banfi / Spectacled caiman (Caiman crocodilus) and Broad-snouted Caiman (Caiman latirostris) Rio Bai­a Bonita, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Spectacled caiman (Caiman crocodilus) Rio Bai­a Bonita, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Spectacled caiman (Caiman crocodilus) watched by tourist on bridge, Rio Bai­a Bonita, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Broad-snouted Caiman (Caiman latirostris) Baia Bonita, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Spectacled caiman (Caiman crocodilus) Rio Bai­a Bonita, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Broad-snouted Caiman (Caiman latirostris) Baia Bonita, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Spectacled caiman (Caiman crocodilus) Rio Bai­a Bonita, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Cuvier's Dwarf / Musky Caiman (Paleosuchus palpebrosus) Formoso River, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Cuvier's Dwarf / Musky Caiman (Paleosuchus palpebrosus) Formoso River, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Cuvier's Dwarf / Musky Caiman (Paleosuchus palpebrosus) Formoso River, Bonito, Mato Grosso do Sul, Brazil

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

John Cancalosi / Spectacled Caiman (Caiman crocodilus) at water surface. Costa Rica.

David Pattyn / Black vulture (Coragyps atratus) scavenging a dead Spectacled Caiman (Caiman crocodilus) floating in the Rio Cuiaba, Pantanal, Mato Grosso, Brazil.

David Pattyn / Spectacled caiman (Caiman crocodilus) frontal portrait, Pantanal, Brazil

David Pattyn / Spectacled caiman (Caiman crocodilus) baby swimming in the water of an oxbow lake, Pantanal, Brazil

David Pattyn / Spectacled caiman (Caiman crocodilus) group of babies swimming together in the water of an oxbow lake, Pantanal, Brazil

David Pattyn / Spectacled caiman (Caiman crocodilus) young animal at water surface, Pantantal, Brazil

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

Mark MacEwen / Spectacled Caiman eye (Caiman crocodilus) juvenile in Hato el Cedral, Los Llanos Apure State in Venezuela.

Mark MacEwen / Spectacled Caiman (Caiman crocodilus) juvenile in pool in Hato el Cedral, Los Llanos Apure State in Venezuela.

Mark MacEwen / Spectacled Caiman (Caiman crocodilus) juvenile being filmed with an innovision scope, in Hato el Cedral, Los Llanos Apure State in Venezuela.

Mark MacEwen / Spectacled Caiman (Caiman crocodilus) dead on dry lake bed on wetlands which dry up every year, Hato el Cedral, Los Llanos Apure State in Venezuela.

Mark MacEwen / Spectacled Caimans (Caiman crocodilus) at a Caiman farm, Venezuela.

Mark MacEwen / Spectacled Caimans (Caiman crocodilus) at a Caiman farm, Venezuela.

Mark MacEwen / Spectacled Caimans (Caiman crocodilus) at a Caiman farm, Venezuela.

Mark Carwardine / Spectacled caiman {Caiman crocodilus} young held in hand, mouth wide open, Rio Negro, near Manaus, Brazil, Amazonia

Christophe Courteau / Spectacled Caiman / Jacare on river bank (Caiman crocodilus) Pantanal, Brazil.

Christophe Courteau / Spectacled Caiman / Jacare in shallows (Caiman crocodilus) Pantanal, Brazil.

Christophe Courteau / Scales on tail of Spectacled Caiman / Jacare in water (Caiman crocodilus) Pantanal, Brazil.

Christophe Courteau / Spectacled Caiman / Jacare (Caiman crocodilus) 'panting' to cool down on river bank. Pantanal, Brazil.

John Cancalosi / Spectacled Caiman (Caiman crocodilus) eye above water surface. Costa Rican tropical rainforest.

Patricio Robles Gil / Jacare / Yacare Caiman (Caiman crocodilus yacare) feeding on large fish. Parana, Southern Brazil.

Pete Oxford / Brown Caiman (Caiman crocodilus fuscus) with water lettuce (Pistia stratiotes) on its back. Hato Masaguarel working farm and biological station, Guarico Province, Venezuela, March.

Pete Oxford / Brown Caiman (Caiman crocodilus fuscus) - subspecies of Caiman crocodilus - in front of water covered with Water Lettuce (Pistia stratiotes). Guarico Province, Venezuela.

Nature Production / Spectacled Caiman (Caiman crocodilus) eyes and nose just above water, captive, Tobu Zoo, Saitama, Japan

Daniel Heuclin / Spectacled Caiman (Caiman crocodilus) eating fish prey in wetland habitat. Controlled conditions. French Guyana, August.

Daniel Heuclin / Spectacled Caiman (Caiman crocodilus) in water with its eyes and nostrils protruding above water-level. Controlled conditions. French Guyana, August.

Daniel Heuclin / Spectacled Caiman (Caiman crocodilus) eating fish prey. Controlled conditions. French Guyana, August.

Daniel Heuclin / Spectacled Caiman (Caiman crocodilus) in wetland habitat. Controlled conditions. French Guyana, August.

Daniel Heuclin / Spectacled Caiman (Caiman crocodilus) in wetland and forest habitat. Controlled conditions. French Guyana, August.

Jenny E. Ross / Head portrait of an adult spectacled Caiman (Caiman crocodilus) partically submerged in water. The Pantanal, Mato Grosso du Sul, Brazil. September

Suzi Eszterhas / Spectacled Caiman (Caiman crocodilus) group resting on sandbanks, Pantanal, Brazil

Suzi Eszterhas / Spectacled Caiman (Caiman crocodilus), Pantanal, Brazil

Pete Oxford / Spectacled Caiman (Caiman crocodilus), Hato Masaguaral, Venezuela

Christophe Courteau / Black vulture (Coragyps atratus) feeding on dead Caiman (Crocodilus caiman) in river, Pantanal, Brazil, South America, July

Christophe Courteau / Jacare caiman {Caiman crocodilus yacare} with mouth open, Pantanal, Brazil, South America, July

Christophe Courteau / Jacare caiman {Caiman crocodilus yacare} head above water, Pantanal, Brazil, South America, July

Christophe Courteau / Jacare caiman {Caiman crocodilus yacare} portrait with wasp / bee, Pantanal, Brazil, South America, July

Pete Oxford / Spectacled Caiman (Caiman crocodilus), Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Spectacled Caiman (Caiman crocodilus), Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Spectacled Caiman (Caiman crocodilus), Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Spectacled Caiman (Caiman crocodilus), Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Spectacled Caiman (Caiman crocodilus) in Water Lettuce (Pistia stratiotes), Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Spectacled Caiman (Caiman crocodilus) in Water Lettuce (Pistia stratiotes), Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Spectacled Caiman (Caiman crocodilus), Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Spectacled Caiman (Caiman crocodilus) feeding on Capybara (Hydrochoerus hydrochaeris), Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Spectacled Caiman (Caiman crocodilus) on road, Iwokrama Rainforest Reserve, Guyana

Pete Oxford / Spectacled Caiman (Caiman crocodilus) on road, Iwokrama Rainforest Reserve, Guyana

Pete Oxford / Spectacled Caiman (Caiman crocodilus) on road, Iwokrama Rainforest Reserve, Guyana

Pete Oxford / Spectacled Caiman (Caiman crocodilus) dead on road, Iwokrama Rainforest Reserve, Guyana

Pete Oxford / Spectacled Caiman (Caiman crocodilus) with fish prey, Rewa River, Guyana

Pete Oxford / Spectacled Caiman (Caiman crocodilus) on riverbank, Rewa River, Guyana

Pete Oxford / Spectacled Caiman (Caiman crocodilus) at night, Rewa River, Guyana

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

Luiz Claudio Marigo / Young boy with several dead Spectacled Caiman (Caiman crocodilus) caught on a fishing hook, Itapuru community, Amazon Rainforest, in Piagacu-Purus Sustainable Development Reserve, Amazonas State, Nor...

Luiz Claudio Marigo / Hunter with eight dead Spectacled Caiman (Caiman crocodilus) in his canoe and a Black Caiman (Melanosuchus niger) in his hands. Piagacu-Purus Sustainable Development Reserve, Amazonas State, Northern...