Ingo Arndt / Fishing Spider {Ancylometes bogotensis} with fish prey, French Guyana

Ingo Arndt / Fishing spider {Ancylometes bogotensis} on water surface, French Guyana

Michael D. Kern / Two Dyeing dart frogs (Dendrobates tinctorius) against background, captive occurs in Guyana, Suriname, Brazil, and French Guiana. Available for on-line use only.

Graham Eaton / Leatherback Turtle Hatchling (Dermochelys coriacea) crossing a beach towards the sea, seen from above. Cayenne, French Guiana, July.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) hatchling crossing a beach to get to the sea. Cayenne, French Guiana, July.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) covering her nest with sand after egg laying. Cayenne, French Guiana, July.

Daniel Heuclin / Portrait of a Crested Forest Toad (Rhinella margaritifer). Controlled conditions. French Guyana, August.

Daniel Heuclin / Yellow-bellied Puffing Snake (Pseustes sulphureus) moving towards the camera. French Guyana, August.

Daniel Heuclin / Puffing / Bird Eating / Twig Snake (Pseustes poecilonotus) in characteristic posture mimicking a twig. French Guyana, August.

Ingo Arndt / Trapdoor spider opening trapdoor {Gorgyrella inermis} sequence 1/3, French Guyana

Ingo Arndt / Underside of body of Fishing spider {Ancylometes bogotensis} French Guyana

Ingo Arndt / Fishing Spider {Ancylometes bogotensis} underwater, French Guyana

Ingo Arndt / Fishing spider {Ancylometes bogotensis} French Guyana

Ingo Arndt / Fishing spider {Ancylometes bogotensis} on pond weed, French Guyana

Ingo Arndt / Fishing Spider {Ancylometes bogotensis} on pond weed, French Guyana

Ingo Arndt / Fishing spider {Ancylometes bogotensis} on water surface, French Guyana

Ingo Arndt / Trapdoor spider opening trapdoor {Gorgyrella inermis} sequence 2/3, French Guyana

Ingo Arndt / Trapdoor spider opening trapdoor {Gorgyrella inermis} sequence 3/3, French Guyana

Ingo Arndt / Fishing spider {Ancylometes bogotensis} on water surface, French Guyana

Ingo Arndt / Trapdoor spider {Gorgyrella inermis} French Guyana

Ingo Arndt / Fishing spider {Ancylometes bogotensis} on water surface, French Guyana

Pascal Kobeh / Leatherback sea turtle (Dermochelys coriacea) female laying eggs at night on Mana beach, French Guyana

Pascal Kobeh / Dyeing poison frog (Dendrobates tinctorius) French Guiana

Pascal Kobeh / Leatherback sea turtle (Dermochelys coriacea) laying eggs at night, Mana Beach, French Guiana.

Pascal Kobeh / Leatherback sea turtle (Dermochelys coriacea) laying eggs at night, Mana Beach, French Guiana.

Pascal Kobeh / Leatherback sea turtle (Dermochelys coriacea) laying eggs at night, Mana Beach, French Guiana.

Juan Manuel Borrero / Smooth back river stingray (Potamotrygon orbignyi) view of underside, captive, occurs in Surinam, Guiana and French Guiana.

Graham Eaton / Olive / Pacific Ridley Turtle (Lepidochelys olivacea) returning to the sea after laying eggs. Cayenne, French Guiana, July.

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

Graham Eaton / Olive / Pacific Ridley Turtle (Lepidochelys olivacea) covering her nest of eggs with sand. Cayenne, French Guiana, July.

Graham Eaton / Olive / Pacific Ridley Turtle (Lepidochelys olivacea) covering her nest of eggs with sand. Cayenne, French Guiana, July.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) returning to the sea after egg laying. Cayenne, French Guiana, June.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) covering her nest after egg laying, with a dog walker in the background. Cayenne, French Guiana, June.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) covering her nest after egg laying. Cayenne, French Guiana, June.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) tracks across a beach at low tide, trailing back to the sea from where the turtle laid her eggs. Cayenne, French Guiana, July.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) hatchlings crossing a beach towards the sea. Cayenne, French Guiana, July.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) hatchling entering the sea. Cayenne, French Guiana, July.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) covering her nest with sand after egg laying. Cayenne, French Guiana, July.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) hatchling approaching the sea. Cayenne, French Guiana, July.

Graham Eaton / Olive / Pacific Ridley Turtle (Lepidochelys olivacea) covering her nest with sand after laying eggs. Cayenne, French Guiana, July.

Graham Eaton / Leatherback Turtle (Dermochelys coriacea) returning to the sea after egg laying. Cayenne, French Guiana, June.

Daniel Heuclin / Checkerbelly (Siphlophis cervinus) in a coiled posture. Controlled conditions. French Guyana, August.

Daniel Heuclin / Checkerbelly (Siphlophis cervinus) in a coiled posture. Controlled conditions. French Guyana, August.

Daniel Heuclin / Checkerbelly (Siphlophis cervinus) in a coiled posture. Controlled conditions. French Guyana, August.

Daniel Heuclin / Checkerbelly (Siphlophis cervinus) in a coiled posture. Controlled conditions. French Guyana, August.

Daniel Heuclin / Crested Forest Toad (Rhinella margaritifer) camouflaged against leaf-litter. Controlled conditions. French Guyana, August.

Daniel Heuclin / Yellow-bellied Puffing Snake (Pseustes sulphureus) tasting the air as it moves through water. French Guyana, August.

Daniel Heuclin / Yellow-bellied Puffing Snake (Pseustes sulphureus) in sandy habitat. French Guyana, August.

Daniel Heuclin / Yellow-bellied Puffing Snake (Pseustes sulphureus) head in profile. French Guyana, August.

Daniel Heuclin / Puffing / Bird Eating / Twig Snake (Pseustes poecilonotus) in defensive strike-ready posture. French Guyana, August.

Daniel Heuclin / Puffing / Bird Eating / Twig Snake (Pseustes poecilonotus) in defensive strike-ready posture. French Guyana, August.

Daniel Heuclin / Puffing / Bird Eating / Twig Snake (Pseustes poecilonotus) in defensive strike-ready posture. French Guyana, August.

Daniel Heuclin / Puffing / Bird Eating / Twig Snake (Pseustes poecilonotus) in characteristic posture mimicking a twig. French Guyana, August.

Daniel Heuclin / Puffing / Bird Eating / Twig Snake (Pseustes poecilonotus) head in profile, aggressive "puffed" posture. French Guyana, August.

Daniel Heuclin / Common Surinam Toad / Pipa (Pipa pipa) camouflaged in water. French Guyana, October.

Daniel Heuclin / Common Surinam Toad / Pipa (Pipa pipa) being held in hand. French Guyana, October.

Daniel Heuclin / Cuvier's Dwarf / Musky Caiman (Paleosuchus palpebrosus) juvenile in profile, resting in water. Controlled conditions. French Guyana, October.

Daniel Heuclin / Cuvier's Dwarf / Musky Caiman (Paleosuchus palpebrosus) juvenile in profile, resting in water. Controlled conditions. French Guyana, October.

Daniel Heuclin / Close-up of the eye of Cuvier's Dwarf / Musky Caiman (Paleosuchus palpebrosus). Controlled conditions. French Guyana, October.

Daniel Heuclin / Portrait of a Land Ghost Crab (Ocypoda quadrata). French Guyana, October.

Daniel Heuclin / Knudsen's Thin-toed Frog (Leptodactylus knudseni) crouching by the edge of water. French Guyana, September.

Daniel Heuclin / Knudsen's Thin-toed Frog (Leptodactylus knudseni) standing by the edge of water. French Guyana, September.

Daniel Heuclin / Gladiator Tree Frog (Hyla boans) spawn in nest in the sand near creek. French Guyana, August.

Daniel Heuclin / Common / Amazon Tree Boa (Corallus hortulanus) coiled around a branch in strike-ready pose. Controlled conditions. French Guyana, August.

Daniel Heuclin / Emerald Tree Boa (Corallus caninus) coiled around branch in strike-ready pose. Controlled conditions. Montagne de Kaw, French Guyana, August.

Daniel Heuclin / Emerald Tree Boa (Corallus caninus) coiled around branch. Controlled conditions. Montagne de Kaw, French Guyana, August.

Daniel Heuclin / Emerald Tree Boa (Corallus caninus) baring its fangs; head in profile. Controlled conditions. Montagne de Kaw, French Guyana, August.

Daniel Heuclin / Rainbow Whiptail Lizard (Cnemidophorus lemniscatus), a parthenogenetic species (can reproduce without fertilisation: the female can effectively clone itself). French Guyana, August.

Daniel Heuclin / Rainbow Whiptail Lizard (Cnemidophorus lemniscatus), a parthenogenetic species (can reproduce without fertilisation: the female can effectively clone itself). French Guyana, August.

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.

Daniel Heuclin / Portrait of Grey Hawk (Buteo nitidus). French Guyana, August.

Daniel Heuclin / Boa constrictor (Boa constrictor constrictor) climbing a branch in forest habitat. French Guyana, August.

Daniel Heuclin / Boa constrictor (Boa constrictor constrictor) resting on a log in forest habitat. French Guyana, August.

Daniel Heuclin / Mealy Amazon Parrot (Amazona farinosa) perched in tree. French Guiana, August.

Daniel Heuclin / Mealy Amazon Parrot (Amazona farinosa) head in profile. French Guiana, August.

Daniel Heuclin / Mealy Amazon Parrot (Amazona farinosa) perched in tree. French Guiana, August.

Daniel Heuclin / Mealy Amazon Parrot (Amazona farinosa) cleaning its claws with its beak. French Guiana, August.

Daniel Heuclin / Aerial view of construction of a road in primary forest. French Guyana, 2008.

Daniel Heuclin / Aerial view of logging area by a dirt road in primary forest. French Guyana, August 2008.

Daniel Heuclin / Aerial view of road construction through a primary forest. French Guyana, August 2008.

Daniel Heuclin / Tiger stripped leaf / Monkey frog (Phyllomedusa tomopterna) walking along plant stem, Montagne de Kaw, French Guiana, South America

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

Daniel Heuclin / Red-rumped Agouti (Dasyprocta agouti) carrying fruit husk, French Guiana, South America

Daniel Heuclin / Bluntheaded tree snake (Imantodes cenchoa) head portrait with body coiled around tree branch, Montagne de Kaw, French Guiana, Controlled conditions

Daniel Heuclin / Bluntheaded treesnake (Imantodes cenchoa) moving through forest, Montagne de Kaw, French Guiana, Controlled conditions

Daniel Heuclin / Moucou-moucou / Moko-moko (Montrichardia arborescens) growing rampant in Swamp of Kaw, French Guiana, South America

Daniel Heuclin / Zebu cattle (Bos indicus) small herd wading through the Swamp of Kaw, French Guiana, South America

Daniel Heuclin / Ornate Hawk-Eagle (Spizaetus ornatus) head portrait, French Guiana, South America

Daniel Heuclin / Bluntheaded treesnake (Imantodes cenchoa) head portrait, Montagne de Kaw, French Guiana, Controlled conditions

Daniel Heuclin / Red-rumped Agouti (Dasyprocta agouti) sitting and feeding, French Guiana, South America

Daniel Heuclin / Cane toad (Bufo marinus) head portrait, French Guiana, South America,

Daniel Heuclin / Cayenne stubfoot toad (Atelopus flavescens) climbing plant, North French Guiana, South America