Phil Savoie / Red eyed tree frog on heliconia (Agalychnis callidryas)

Philippe Clement / Common tree frog (Hyla arborea) sitting on branch covered in lichen at night with full moon, La Brenne, France, May. Digital composite

Pete Oxford / San Lucas marsupial frog (Gastrotheca pseustes) base of Chimborazo Volcano (Highest mountain in Ecuador), Andes, Ecuador, South America - endemic to Ecuador, endangered species.

Konrad Wothe / Common green tree frog (Litoria caerulea) in rainforest, Iron Range National Park, Cape York Peninsula, North Queensland, Australia, October

Solvin Zankl / European tree frog (Hyla arborea) on tree branch, with lake behind, Germany

Stephen Dalton / Common european tree frog (Hyla arborea) leaping, multiflash sequence of two images

Stephen Dalton / Common tree frog (Hyla arborea) jumping, multiflash sequence of three images

Stephen Dalton / Common european tree frog {Hyla arborea} jumping sequence, multiflash image, controlled conditions, UK

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

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 / 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

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

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

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

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

Rolf Nussbaumer / Common Tree Frog {Hyla arborea} adult resting in wild rose bush, National Park Lake Neusiedl, Austria, April

Kim Taylor / Common european tree frog (Hyla arborea) leaping to feed on a damselfly, captive, Surrey, UK

Fabio Liverani / Common tree froglet {Hyla arborea} tadpole with front and back legs, Italy

Fabio Liverani / Common tree frog {Hyla arborea} eggs, Italy

Fabio Liverani / Common tree frog {Hyla arborea} tadpole, Italy

Steven David Miller / Cuban tree frog (Osteopilus septentrionalis) native of West Indies introduced into Florida, USA

Kim Taylor / European tree frog (Hyla arborea) leaping to catch fly Captive

Doug Wechsler / Pine Barrens Treefrog singing, Delaware, Blackbird State Forest, USA

Phil Savoie / Red eyed tree frog legs - leaping from Heliconia - Sequence 2 (Agalychnis callidryas)

Pete Oxford / Marsupial frog {Gastrotheca orophylax} Cloudforest, Ecuador

Hans Christoph Kappel / Common tree frog calling, vocal sac inflated, Italy.

Pete Oxford / Marsupial Frog (Gastrotheca orophylax) in cloud the forest, Ecuador

Phil Savoie / Red eyed tree frog portrait (Agalychnis callidryas)

Phil Savoie / Red eyed tree frog on heliconia C (Agalychnis callidryas) 1 of 2 Sequence 1 - about to jump

Phil Savoie / Red eyed tree frog on heliconia (Agalychnis callidryas)

Phil Savoie / Red eyed treef rog on heliconia (Agalychnis callidryas) C

TIM MARTIN / Red Eyed Tree frogs mating, Costa Rica

Rolf Nussbaumer / Green treefrog {Hyla cinerea} Texas, USA.

Rolf Nussbaumer / Green tree frog sleeping {Hyla cinerea} Sanibel Is, Florida, USA.

Jose B. Ruiz / Common treefrog on reeds, Spain

Fabio Liverani / Common tree frog froglet with remains of tail, Italy. Life cycle sequence 5

Fabio Liverani / Common tree frog tadpole with hind legs and front legs developing, Italy. Life cycle sequence 4

Fabio Liverani / Common tree frog {Hyla arborea} pair in amplexus Italy

Martin Gabriel / Mediterranean tree frog vocalising {Hyla meridionalis} Luberon, France, Europe

Fabio Liverani / Common tree frog pair in amplexus Italy. Note eggs. Life cycle sequence 2

Juan Manuel Borrero / Illustration of Mediterranean Tree Frog (Hyla meridionalis). Pencil and watercolor painting.

Mark Carwardine / Red eyed treefrog on pitcher plant {Agalychnis callidryas} captive

Mark Carwardine / Red eyed treefrog {Agalychnis callidryas}, captive Not available for ringtone/wallpaper use.

Loic Poidevin / Common tree frog (Hyla arborea) in vegetation, Aquitaine region, France

Loic Poidevin / Common tree frogs (Hyla arborea) in Aquitaine region, France

Chris Mattison / White's tree frog (Litoria caerulea), captive, occurs Australia

Philippe Clement / Common tree frog (Hyla arborea) sitting on branch covered in lichen at night, La Brenne, France, May.

Philippe Clement / Common tree frog (Hyla arborea) sitting on branch covered in lichen at night, La Brenne, France, May Digital composite

Philippe Clement / Common tree frog (Hyla arborea) sitting on branch covered in lichen at night with full moon, La Brenne, France, May. Digital composite

Philippe Clement / Common tree frog (Hyla arborea) sitting on branch covered in lichen at night, La Brenne, France, May

Philippe Clement / Common tree frog (Hyla arborea) sitting on branch covered in lichen at night, La Brenne, France, May

Philippe Clement / Common tree frog (Hyla arborea) sitting on branch covered in lichen at night, La Brenne, France, May

Philippe Clement / Common tree frog (Hyla arborea) sitting on branch covered in lichen at night with full moon, La Brenne, France, May. Digital composite

MYN / Brady Beck / Pine barrens treefrog (Hyla andersonii) Richmond County, North Carolina, USA, May, meetyourneighboursproject.net

MYN / Brady Beck / Pine barrens treefrog (Hyla andersonii) Richmond County, North Carolina, USA, May, meetyourneighboursproject.net

Barry Mansell / Cuban treefrog (Osteopilus septentrionalis) Lake Kissimmee, South Florida, USA. Introduced into the USA from the West Indies. Controlled conditions

Roland Seitre / Rear detail of Marsupial treefrog (Gastrotheca cornuta) showing pouch of female, El Valle Amphibian Conservation Center, Panama, Central America

Roland Seitre / Marsupial treefrog (Gastrotheca cornuta) female, El Valle Amphibian Conservation Center, Panama, Central America

Ernie Janes / Green tree frog (Litoria caerulea) captive

Bert Willaert / Male Common Treefrog (Hyla arborea) calling with inflated vocal sac. France, Europe.

Konrad Wothe / Common green tree frog (Litoria caerulea) in rainforest, Iron Range National Park, Cape York Peninsula, North Queensland, Australia, October

Pete Oxford / Gladiator Frog (Hypsiboas / Hyla boans). Captive. Chocó Region of northwest Ecuador on Colombian Border, Ecuador.

Pete Oxford / Gladiator Frog (Hypsiboas / Hyla boans). Captive. Chocó Region of northwest Ecuador on Colombian Border, Ecuador.

Daniel Heuclin / Cuban Treefrog (Osteopilus septentrionalis) sitting on a leaf. Controlled conditions. Everglades National Park, Florida (introduced from Cuba), USA, November.

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

Daniel Heuclin / Green Tree Frog (Hyla cinerea) on vegetation in profile against a black background. Controlled conditions. Aransas National Wildlife Refuge, Texas, USA.

Pete Oxford / Green tree frog (Hyla cinerea) Little St Simon's Island, Barrier Islands, Georgia, USA

Pete Oxford / Gladiator tree frog (Hypsiboas / Hyla boans) Rewa River, Iwokrama Reserve, Guyana

Pete Oxford / Gladiator tree frog (Hypsiboas / Hyla boans) Rewa River, Iwokrama Reserve, Guyana

Pete Oxford / Mud nest of the Gladiator tree frog (Hypsiboas / Hyla boans) on the banks of the Rewa River, Iwokrama Reserve, Guyana

Pete Oxford / Gladiator tree frog (Hypsiboas / Hyla boans) Rewa River, Iwokrama Reserve, Guyana

Pete Oxford / Gladiator tree frog tadpoles (Hypsiboas / Hyla boans) Rewa River, rainforest, Guyana

Pete Oxford / Gladiator tree frog (Hypsiboas / Hyla boans) frogspawn, Rewa River, rainforest, Guyana

Pete Oxford / Marsupial Frog (Gastrotheca riobambae) tadpole showing legs, Andes, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca riobambae), Andes, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca riobambae) on white background, Andes, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca riobambae) in bromeliad, Andes, Ecuador

Philippe Clement / Common tree frog (Hyla arborea) portrait, La Brenne, France

Philippe Clement / Common tree frog (Hyla arborea) camouflaged in grass, and calling with vocal sac inflated, La Brenne, France

Rolf Nussbaumer / Green Treefrog (Hyla cinerea) two adults sleeping on reed, Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA

Steven David Miller / Green Tree frogs (Litoria caerulea) resting on tree trunk, Parrys Creek Farm, Wyndham, Western Australia

Pete Oxford / Marsupial Frog (Gastrotheca turnerorum), a newly discovered species, Podocarpus National Park, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca turnerorum), a newly discovered species, Podocarpus National Park, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca turnerorum), a newly discovered species, Podocarpus National Park, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca turnerorum), a newly discovered species, Podocarpus National Park, Ecuador

Stephen Dalton / Green tree frog (Litoria caerulea) catching insect prey, controlled conditions

Stephen Dalton / Common tree frog (Hyla arborea) leaping, controlled conditions

Pete Oxford / Marsupial Frog (Gastrotheca riobambae), Andes, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca riobambae), Andes, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca riobambae) on leaf, Andes, Ecuador