Stephen Dalton / Common frog (Rana temporaria) jumping sequence, multiflash image, UK, controlled conditions

Stephen Dalton / Common frog {Rana temporaria} diving into water from bank, UK, controlled conditions

Edwin Giesbers / European edible frog {Rana esculenta} beside Water Lily flower {Nymphaea alba} the Netherlands

Edwin Giesbers / Common frog (Rana temporaria) sheltering from rain under toadstool (Macrolepiota procera) the Netherlands

Edwin Giesbers / Common tree frog {Hyla arborea} resting on {Nyphar lutea} flower, the Netherlands

Edwin Giesbers / Common tree frog {Hyla arborea} climbing vegetation 'doing the splits', the Netherlands

Edwin Giesbers / Common tree frog {Hyla arborea} on vegetation, the Netherlands

Edwin Giesbers / Green / European edible frog {Rana esculenta} in water, the Netherlands

Edwin Giesbers / Common tree frog (Hyla arborea) silhouette viewed through leaf, the Netherlands

Edwin Giesbers / Common tree frog (Hyla arborea) silhouette viewed through leaf, the Netherlands

Edwin Giesbers / Common tree frog (Hyla arborea) silhouette viewed through leaf, the Netherlands

Edwin Giesbers / Common tree frog (Hyla arborea) portrait, the Netherlands

Michael Durham / Red-legged Frog (Rana aurora) near Circle Creek along coast, Oregon

Stephen Dalton / Wallace's flying frog (Rhacophorus nigropalmatus) gliding from tree, controlled conditions, from Malaysia and Indonesia

Wild Wonders of Europe / della Ferrera / Common european frogs (Pelophylax kl. esculentus) the hybrid of the Pool frog (Pelophylax lessonae) and the Marsh frog (Pelophylax ridibundus) on tree trunk submersed in water, near Muilovcica village...

Wild Wonders of Europe / della Ferrera / Agile frog (Rana dalmatina) in the undergrowth, with some white willow achenes, Sava river oxbow, near Puska village, Lonjsko Polje Nature Park, Croatia, June 2009

Wild Wonders of Europe / Ziegler / Marsh frog (Rana ridibunda) in water, The Peloponnese, Greece, May 2009

Robert Thompson / Red-eyed tree frog {Agalychnis callidryas} resting in Bromeliad flower, Nicaragua, June

Laurie Campbell / Grey Heron (Ardea cinerea) catching Common frog {Rana temporaria} Berwickshire, Scotland, UK, March

Laurie Campbell / Grey Heron (Ardea cinerea) predating on Common frog {Rana temporaria} Berwickshire, Scotland, UK, March

Wild Wonders of Europe / Máté / European edible frog (Rana esculenta) close-up of head showing eye, Prypiat area, Belarus, June 2009

Wild Wonders of Europe / Máté / European edible frog (Rana esculenta) head, Prypiat area, Belarus, June 2009. WWE BOOK. WWE OUTDOOR EXHIBITION.

Wild Wonders of Europe / Maitland / Marsh frog (Pelophylax / Rana ridibundus) head above water, Lake Macro Prespa, Stenje region, Galicica National Park, Macedonia, June 2009

Wild Wonders of Europe / Maitland / Marsh frog (Pelophylax / Rana ridibundus) close-up of head, Stenje region, Lake Macro Prespa, Galicica National Park, Macedonia, June 2009

David Tipling / Common frog (Rana temporaria) in garden, Norfolk, UK, June

Wild Wonders of Europe / Máté / European edible frog (Rana Esculenta) close-up, Prypiat area, Belarus, June 2009

Stephen Dalton / Common / European tree frog (Hyla arborea) jumping from leaf, controlled conditions

Stephen Dalton / Painted mantella frog (Mantella madagascariensis) on leaf, native to Madagascar, controlled conditions

Stephen Dalton / Marsh frog (Rana ridibunda) leaping over water, another in water, controlled conditions, from Europe

Stephen Dalton / Green mosaic / Rancho grande harlequin frog (Atelopus cruciger) walking along tree trunk, Henri Pittier NP, Venezuela, South America, Critically endangered, thought extinct until a gravid female was f...

Stephen Dalton / Common frog (Rana temporaria) close-up of eye, controlled conditions

Stephen Dalton / Red eyed tree frog (Agalychnis callidryas) on Bromeliad leaf, Central America, controlled conditions

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

Stephen Dalton / Red eyed tree frog (Agalychnis callidryas) climbing up plant stems, controlled conditions, from Central America

Stephen Dalton / Common / European treefrog {Hyla arborea} jumping sequence, multiflash image, controlled conditions

Stephen Dalton / Common frog {Rana temporaria} diving into water from bank, UK, controlled conditions

Stephen Dalton / Leopard frog (Rana pipens) leaping out of water, controlled conditions, from USA

Stephen Dalton / Wallace's / Abah river flying frog (Rhacophorus nigropalmatus) gliding, controlled conditions, showing use of webbed feet, from Malaysia and Indonesia

Chien Lee / Shrub Frog (Philautus sp) inside Pitcher Plant (Nepenthes hurrelliana) in montane forest, Mount Murud, Sarawak, Malaysia

John Cancalosi / Grey tree frog (Hyla versicolor) calling to attract mate, New York, USA

Claudio Contreras / Yellow tree frog (Dendropsophus microcephalus) calling on plant stem, Montes Azules Biosphere Reserve, Lacandon Rainforest, Mexico, August

Mark Bowler / American green tree frog {Hyla cinerea} looking up

Mark Bowler,Mark Bowler / Red eyed tree frog (Agalychnis callidryas) walking, digital composite Captive

Mark Bowler / Red eyed tree frog (Agalychnis callidryas) close-up of head Captive

Mark Bowler / Red eyed tree frog (Agalychnis callidryas) Captive

Mark Bowler / Red eyed tree frog (Agalychnis callidryas) sitting on bamboo, digital composite Captive

Mark Bowler / Red eyed tree frog (Agalychnis callidryas) sitting

Rod Williams / Golden Poison Dart Frog (Phyllobates terribilis) captive, from Colombia, Endangered Species

Wild Wonders of Europe / Oxford / Marsh frog (Rana ridibunda) calling, Sierra de Andjar Natural Park, Mediterranean woodland of Sierra Morena, north east Jan Province, Andalusia, Spain, April 2009

Wild Wonders of Europe / Oxford / Marsh frog (Rana ridibunda) calling, Sierra de Andjar Natural Park, Mediterranean woodland of Sierra Morena, north east Jan Province, Andalusia, Spain, April 2009

Wild Wonders of Europe / Wothe / European edible frog (Rana esculenta) in pond, Latorica backwater, Slovakia, Europe, June 2009

Wild Wonders of Europe / Wothe / European edible frog (Rana esculenta) swimming past Greater bladderwort (Utricularia vulgaris) in a pond, Latorica backwater, Slovakia, Europe Rana esculenta, Nymphaea alba, June 2009

Wild Wonders of Europe / Wothe / European edible frog (Rana esculenta) in pond, Latorica backwater, Slovakia, Europe Rana esculenta, Nymphaea alba, June 2009

Wild Wonders of Europe / Wothe / European edible frog (Rana esculenta) in pond, Latorica backwater, Slovakia, Europe June 2009

Wild Wonders of Europe / Biancarelli / Agile frog (Rana dalmatina) amongst dead leaves, Plitvice Lakes National Park, Croatia, October 2008

Ross Hoddinott / Front-view showing head and eyes of Common frog (Rana temporaria), Broxwater, Cornwall, UK.

Jose B. Ruiz / Male common kingfisher (Alcedo atthis) with frog prey, Turia River, Valencia, Spain

Tim Laman / Orange / Red eyed treefrog (Litoria chloris) in the rainforest of the Atherton Tablelands, Queensland, Australia

Tim Laman / Tree frog, close-up of eye, Crater Mountain Wildlife Management Area, Eastern Highlands Province, Papua New Guinea

James Christensen / Almirante Robber Frog (Craugastor talamancae), Colon, Panama

Martin van Lokven / Red-eyed Tree Frog (Agalychnis callidryas), Laguna del Lagarto, Boca Tapada, Costa Rica

Wild Wonders of Europe / Widstrand / Common frog (Rana temporaria) close-up, Yli-Vuoki old forest reserve, Suomussalmi, Finland, September 2008

Wild Wonders of Europe / Widstrand / Common frog (Rana temporaria) close-up, Yli-Vuoki old forest reserve, Suomussalmi, Finland, September 2008

Wild Wonders of Europe / Widstrand / Common frog (Rana temporaria) head, Yli-Vuoki old forest reserve, Suomussalmi, Finland, September 2008

Wild Wonders of Europe / Widstrand / Common frog (Rana temporaria) close-up, Yli-Vuoki old forest reserve, Suomussalmi, Finland, September 2008

Wild Wonders of Europe / Nill / Common tree frog (Hyla arborea) on flowering Rush (Butomus umbellatus) Bulgaria, May 2008. WWE INDOOR EXHIBITION

Steven David Miller / White-lipped / Giant tree frog (Litoria infrafrenata) on palm tree, Cairns, North Queensland, Australia

Bruno D'Amicis / Squeaker frog (family Arthroleptidae) on rainforest floor, Kaffa Zone, Southern Ethiopia, East Africa December 2008

Edwin Giesbers / Mantella frog (Mantella baroni) portrait, Madagascar

Edwin Giesbers / Warty green burrowing frog (Scaphiophryne marmorata) portrait, Madagascar

Edwin Giesbers / Frog (Boophis idae) on Heliconia flower, Madagascar

Edwin Giesbers / Frog (Boophis sp) on leaf, Madagascar

Edwin Giesbers / Frog (Boophis idae) on Heliconia flower, Madagascar

Piotr Naskrecki / Pygmy Leaf-folding Frog (Afrixalus vibekensis), Atewa Range, Ghana

Inaki Relanzon / Tree frog {Boophis sp} Madagascar

Inaki Relanzon / Leaf litter frog jumping (Boophis madagascariensis) Marojejy National Park, Madagascar.

Solvin Zankl / Moor frog (Rana arvalis) mating pair in pond, Germany

Solvin Zankl / Moor frog (Rana arvalis) group of males in water, Germany

Nick Garbutt / Bornean horned frog (Megophrys nasuta) amongst leaf-litter on forest floor. Danum Valley, Sabah, Borneo, Malaysia

Nick Garbutt / Montane horned frog (Megophrys kobayashii) in leaf litter. Slopes of Mt Kinabalu (around 1400m), Sabah, Borneo, Malaysia

Nick Garbutt / Bornean horned frog (Megophrys nasuta) on forest floor. Danum Valley, Sabah, Borneo, Malaysia

Nick Garbutt / Lowland litter frog (Leptobrachium abbotti) amongst leaf-litter on forest floor. Danum Valley, Sabah, Borneo, Malaysia

Thomas Marent / Tree Frog (Hyla rubracyla) at night, Colombia

Thomas Marent / Tiger's Treefrog (Hyloscirtus tigrinus) on bromeliad, new species discovered in 2007, Colombia

Thomas Marent / Tiger's Treefrog (Hyloscirtus tigrinus) on bromeliad, new species discovered in 2007, Colombia

Thomas Marent / Reticulated Poison Dart Frog (Dendrobates reticulatus), Allpahuayo Mishana National Reserve, Peru

Tim Laman / Red-eyed tree frog (Agalychnis callidryas). Piedras Blancas National Park, Esquinas Rainforest Lodge, Costa Rica.

Jouan & Rius / Frog shadow on leave, rainforest habitat, Costa Rica

Tim Fitzharris / Red-eyed Tree Frog (Agalychnis callidryas), Costa Rica

Fabio Liverani / Leaf frog {Phyllomedusa bicolor} climbing tree trunk in rainforest, Tambopata National Reserve, Amazonia, Peru

Fabio Liverani / Tree frog {Hyla sp} feeding on grasshopper, Tambopata National Reserve, Amazonia, Peru

Fabio Liverani / Tree frog {Hyla sp} on rim of tropical fungus, Tambopata National Reserve, Amazonia, Peru

Fabio Liverani / Tree frog {Hyla sp} face portrait, Tambopata National Reserve, Amazonia, Peru

Philippe Clement / Common Frog (Rana temporaria) tadpole with limbs well developed but tail not yet reabsorbed, Belgium, captive

Ross Hoddinott / Common frog (Rana temporaria) portrait. Cornwall, UK. January

Thomas Marent / Harlequin Poison Dart Frog (Dendrobates histrionicus) on bromeliad, Cauca, Colombia