Daniel Heuclin / Chiquitana woman collecting eggs of South american river / Arrau turtle (Podocnemis expansa) Rio Yapakani, Bolivian Amazona.

Daniel Heuclin / Chiquitana woman collecting eggs of the South american river / Arrau turtle (Podocnemis expansa) River Yapakani, Bolivian Amazona.

Daniel Heuclin / South american river / Arrau turtle (Podocnemis expansa) climbing on to rock, River Yapacani, Bolivian Amazona.

Graham Eaton / Giant South American Turtle (Podocnemis expansa) with head above water. Captive. Cayenne, French Guiana, July.

Pete Oxford / Giant River Turtle (Podocnemis expansa) after laying eggs leaves a trail on its way back to the water. Orinoco River, Venezuela. South America.

Pete Oxford / Giant River Turtle (Podocnemis expansa) after laying. La Playita Beach, Orinoco River, Venezuela.

Pete Oxford / Giant River Turtle (Podocnemis expansa) after laying eggs. Orinoco River, Venezuela.

Mark Bowler / Giant South American / Amazon River / Arrau Turtle (Podocnemis expansa) at water surface. Captive.

Pete Oxford / South American River Turtle (Podocnemis expansa) researchers weighing individual, part of captive breeding program, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) researchers weighing individual, part of captive breeding program, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) after laying eggs, part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) after laying eggs, part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela