Andy Rouse / Krefft's River Turtle (Emydura macquarii krefftii) at surface of in rainforest pond, Queensland, Australia

Edwin Giesbers / Two Malaysian box turtles (Cuora amboinensis) with heads above water, Sarawak, Borneo, Malaysia

Michel Roggo / Yellow-spotted river turtle (Podocnemis unifilis), Los Lagos, Beni, Bolivia, October.

Andy Rouse / Krefft's River Turtle (Emydura macquarii krefftii) on log in rainforest, Queensland, Australia

Andy Rouse / Krefft's River Turtle (Emydura macquarii krefftii) at surface of rainforest pond, Queensland, Australia

Andy Rouse / Krefft's River Turtle (Emydura macquarii krefftii) crossing road, Queensland, Australia

Andy Rouse / Krefft's River Turtle (Emydura macquarii krefftii) crossing road, Queensland, Australia

Rod Williams / Pig nosed / Fly river turtle (Carettochelys insculpta) head portrait showing snout, Southern New Guinea, Northern Territory of Australia, vulnerable species. Captive.

Shibai Xiao / Four eye-spotted turtle (Sacalia quadriocellata) held in hand, Bawangling National Nature Reserve, Hainan Island, China.

Daniel Heuclin / South american river / Arrau turtle (Podocnemis expansa) swimming, River Yapacani, Bolivian Amazona.

Daniel Heuclin / South american river / Arrau turtle (Podocnemis expansa) basking on rock by side of river, River Yapacani, Bolivian Amazona.

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.

Rolf Nussbaumer / Spiny softshell (Apalone spinifera) adult basking on the river bank, Dinero, Lake Corpus Christi, South Texas, USA.

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) sunbathing surrounded by butterflies sipping salts from the turtle's tears, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) eggs for sale -illegally harvested from Yasuni National Park, Pompeya Market, Amazon, Ecuador

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) eggs for sale - illegally harvested from Yasuni National Park, Pompeya Market, Amazon, Ecuador

Martin Willis / Krefft's River Turtle (Emydura krefftii) crossing road, Woodstock, Queensland, Australia

Barry Mansell / Alligator snapping turtle (Macroclemys temminckii) on the banks of the Yellow River, West Florida, USA, November

Pete Oxford / Yellow-spotted River Turtle (Podocnemis unifilis) nests being dug up to be relocated. All nests laid on low lying ground are dug up and relocated to an area not likely to flood. After hatching, young...

Pete Oxford / Yellow-spotted River Turtle (Podocnemis unifilis) nests being dug up to be relocated. All nests laid on low lying ground are dug up and relocated to an area not likely to flood. After hatching, young...

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 / Yellow-spotted River Turtle (Podocnemis unifilis) nests being dug up to be relocated. All nests laid on low lying ground are dug up and relocated to an area not likely to flood. After hatching, young...

Pete Oxford / Yellow-spotted River Turtle (Podocnemis unifilis) nests being dug up to be relocated. All nests laid on low lying ground are dug up and relocated to an area not likely to flood. After hatching, young...

Pete Oxford / Yellow-spotted / Side Necked River Turtle (Podocnemis unifilis) tracks across sand, left by a female searching for a suitable place to lay eggs. Guarico Province, Venezuela.

Nature Production / Reeves / Chinese pond turtle (Chinemys reevesii) egg hatching, Japan, sequence 1/3

Nature Production / Reeves / Chinese pond turtle (Chinemys reevesii) egg hatching, newly hatched turtle walking away, Japan, sequence 3/3

Nature Production / Reeves / Chinese pond turtle (Chinemys reevesii) egg hatching, Japan, sequence 2/3

Pete Oxford / Yellow-spotted / Side Necked River Turtle (Podocnemis unifilis) tracks across sand, left by a female searching for a suitable place to lay eggs. Guarico Province, Venezuela.

Pete Oxford / Yellow-spotted River Turtles / Side Necked Terrapin (Podocnemis unifilis). A captive ready for reintroduction. Orinoco River, Apure Province, 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.

Pete Oxford / Savanna Side-necked Turtle (Podocnemis vogli) in shallow water. Orinoco River, Apure Province, Venezuela.

Nature Production / Reeve's / Chinese pond turtle (Chinemys reevesii) walking through grass, leaving a track, Japan

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

John Cancalosi / Fossil Snapping turtle (species unknown) Eocene Epoch, 50 million years old. Green River Formation, Wyoming, USA. Specimen credit: GeoDecor

Konstantin Mikhailov / Chinese soft-shelled turtle (Pelodiscus / Trionyx sinensis) resting on stone in river, River Bikin, Northern Ussuriland, Far East Russia, July.

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

Daniel Heuclin / Spot-legged Terrapin (Rhinoclemmys punctularia) partially submerged in water, French Guiana, South America

Rod Williams / Yellow-margined Box Turtle (Cuora flavomarginata) male standing on rocks. Captive, found in China, Japan, Taiwan. Endangered.

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

Pete Oxford / South American River Turtle (Podocnemis expansa) tracks, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) tracks being followed by researcher, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) nests being dug up for relocation to safer, higher ground, part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela

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

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

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

Pete Oxford / South American River Turtle (Podocnemis expansa) and Yellow-spotted Amazon River Turtle (Podocnemis unifilis) yearlings in rearing program, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) and Yellow-spotted Amazon River Turtle (Podocnemis unifilis) yearlings in rearing program, Orinoco River, Apure, Venezuela

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) tracks from female that came to shore to lay eggs, Orinoco River, Apure, Venezuela

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) tracks from female that came to shore to lay eggs, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) nests being dug up for relocation to safer, higher ground, part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) yearling, part of reintroduction to the wild program, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) nests being dug up for relocation to safer, higher ground, part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) yearling, part of reintroduction to the wild program, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) yearlings, part of reintroduction to the wild program, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) yearlings, part of reintroduction to the wild program, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) yearling being held by researcher, part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) egg being dug up for relocation to safer, higher ground, part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) nest being dug up for relocation to safer, higher ground, part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) yearling, part of reintroduction to the wild program, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) researchers digging up nests for relocation, are watched by guard, part of reintroduction to the wild program, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) tracks, Orinoco River, Apure, Venezuela

Pete Oxford / Savanna Side-necked Turtle (Podocnemis vogli) released after being found by fishermen in the river, Orinoco River, Apure, Venezuela

Pete Oxford / Savanna Side-necked Turtle (Podocnemis vogli) released after being found by fishermen in the river, Orinoco River, Apure, Venezuela

Pete Oxford / Savanna Side-necked Turtle (Podocnemis vogli) released after being found by fishermen in the river, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) researchers taking biometric data, part of part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela

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

Pete Oxford / South American River Turtle (Podocnemis expansa) carried back to river after biometric data was taken, part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) yearlings, part of reintroduction to the wild program, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) researcher taking eggs for re-burial, part of reintroduction to the wild program, Playita Beach, Orinoco River, Apure, Venezuela

Pete Oxford / South American River Turtle (Podocnemis expansa) having carapace marked for future identification, part of reintroduction to the wild program, Orinoco River, Apure, Venezuela

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) yearlings, part of reintroduction to the wild 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 / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) nests being dug up to be relocated, Orinoco River, Apure, Venezuela

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) yearlings, part of reintroduction to the wild program, Orinoco River, Apure, Venezuela

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

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

Pete Oxford / South American River Turtle (Podocnemis expansa) young held by girl, part of reintroduction to the wild program, Orinoco River, Apure, Venezuela

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

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

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

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

Pete Oxford / South American River Turtle (Podocnemis expansa) researchers taking biometric data, 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

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 / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) in water, Iwokrama Rainforest Reserve, Guyana

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) in water, Iwokrama Rainforest Reserve, Guyana

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis), Iwokrama Rainforest Reserve, Guyana

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) in shallow water, Iwokrama Rainforest Reserve, Guyana

Mark Carwardine / Wood turtle (Glyptemys insculpta) amongst leaf litter, captive, from North America, Vulnerable species

Mark Carwardine / Wood turtle (Glyptemys insculpta) captive, from North America, Vulnerable species

Mary McDonald / Black Wood Turtle (Rhinoclemmys funerea) head portrait on log, at water hole, Costa Rica, Central America.