Pete Oxford / Giant Titicaca Lake frog {Telmatobius culeus} Lake Titicaca. Bolivia / Peru

Bert Willaert,Bert Willaert / Chile Four-eyed Frog (Pleurodema thaul) showing how it got its name - eye spots on the back of it's body, Chile, December,. Controlled conditions,

Stephen Dalton / Horned frog (Ceratophrys ornata) sitting on leaves, controlled conditions, from South America

David Kjaer / Chacoan / Ornate Horned Frog {Ceratophrys cranwelli} Captive

Pete Oxford / Giant aquatic frog {Telmatobius escomeli} Altiplano lakes, Peru

Marcelo rocha / John Downer Pr / Rear view of Eyespot / False eyed frog, with defensive eye-like markings to frighten away predators (Resolution restriction - image digitised from film, 'Weird Nature' tv series)

Bert Willaert / Chile Mountains False Toad (Telmatobufo venustus) at night in its environment, sitting on a boulder next to the stream, Chile, January, Endangered species

Bert Willaert / Chile Mountains False Toad (Telmatobufo venustus) at night in its environment, sitting on a boulder next to the stream, Chile, January, Endangered species

Bert Willaert / Panorama of a Chile Mountains False Toad (Telmatobufo venustus) at night in its environment, sitting on a boulder next to the stream, Chile, January, Endangered species

Bert Willaert / Chile Mountains False Toad (Telmatobufo venustus) at night in its environment, sitting on a bolder next to the stream, Chile, January, Endangered species

Bert Willaert / Chile Mountains False Toad (Telmatobufo venustus) at night in its environment, sitting on a boulder next to the stream, Chile, January, Endangered species

Bert Willaert / Mountain stream in forest in the western Andes, Habitat of the endangered Chile Mountains False Toad (Telmatobufo venustus) Chile, January 2013