Theo Bosboom / Edible frog (Pelophylax k. esculentus) catching a common blue damselfly (Enallagma cyathigerum) with its tongue with pair mating on stem above, Hondenven, Tubbergen, The Netherlands, July.

Ingo Arndt / European edible frog eyes showing above water {Rana esculenta} Germany

Ingo Arndt / European edible frog half submerged in water {Rana esculenta} Germany

Ingo Arndt / European edible frog {Rana esculenta} hidden amongst pondweed Germany

Ingo Arndt / Looking down on European edible frog in pond weed (Rana esculenta) Germany

Laurent Geslin / European edible frog (Rana esculenta) in urban park, next to pond with buildings in distance, Grenoble, France, May.

Theo Bosboom,Theo Bosboom / Green frog (Rana esculente) hiding in reeds Hondeven fen, east Holland, August

Stefan Huwiler / Edible Frogs (Rana esculenta) on log in water. Switzerland, Europe, July.

Stefan Huwiler / Three Edible Frogs (Rana esculenta) on a log in water. Switzerland, Europe, July.

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

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

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 / Máté / European edible frog (Rana Esculenta) close-up, Prypiat area, Belarus, June 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

Fabio Liverani / European Edible Frog (Rana esculenta) eating a Green eyed hook tailed dragonfly (Onychogomphus forcupatus) amongst pond weed, Grigne Mountains, Lombardia Region, Italy

Thomas Marent / Edible Frog (Rana esculenta) group on log in pond, Switzerland

Philippe Clement / Young Edible frog (Rana esculenta) amongst Duckweed (Lemnaceae), La Brenne, France

Ingo Arndt / Edible Frog (Rana esculenta) with reflection, Germany

Willem Kolvoort / Silhouette of immature European edible frog (Rana esculenta) on top of waterlily leaf, tail stump still visible, garden pond, Holland

Konrad Wothe / Edible Frog (Rana esculenta) croaking, Germany

Konrad Wothe / Edible Frog (Rana esculenta) croaking in pond, Germany

Remi Masson / Edible frog (Pelophylax kl. esculentus) underwater on the bottom of a pond. Isere, Cremieu, France

Remi Masson / Edible frog (Pelophylax kl. esculentus) singing in a pond, in spring. Isere, Cremieu, France, April.

Eric Medard / Common water frog (Rana esculenta) calling in water, France. April.

Jussi Murtosaari / Edible frog (Pelophylax esculentus), female, Finland, June.

MYN / Dirk Funhoff / Edible frog (Pelophylax esculentus) froglet with tail, Mechtersheim, Rhineland-Palatinate, Germany, July. meetyourneighbours.net project

MYN / Dirk Funhoff / Edible frog (Pelophylax esculentus) froglet with tail, Mechtersheim, Rhineland-Palatinate, Germany, July. meetyourneighbours.net project

MYN / Dirk Funhoff / Edible frog (Pelophylax esculentus) froglet with tail, Mechtersheim, Rhineland-Palatinate, Germany, July. meetyourneighbours.net project

Ingo Arndt / European edible frog {Rana esculenta} Germany

Ingo Arndt / European edible frog, rear view {Rana esculenta} Germany

Ingo Arndt / European edible frog {Rana esculenta} Germany

Ingo Arndt / European edible frog in water {Rana esculenta} Germany

Fabrice Cahez / Edible frog (Rana esculenta) in water, Vosges, France, May.

Laurent Geslin / European edible frog (Rana esculenta) in urban park, next to pond with buildings in distance, Grenoble, France, May.

Laurent Geslin / European edible frog (Rana esculenta) in urban park, next to pond with buildings behind, Grenoble, France, May.

Laurent Geslin / European edible frog (Rana esculenta) in urban park, next to pond with buildings in distance , Grenoble, France, May.

Laurent Geslin / European edible frog (Rana esculenta) in urban park, next to pond with buildings in distance, Grenoble, France, May.

Laurent Geslin / European edible frog (Rana esculenta) in urban park, Grenoble, France, May.

Bernard Castelein / Edible frog (Rana esculenta) male calling at pond surface, Klein Schietveld, Brasschaat, Belgium May

Bernard Castelein / Edible frog (Rana esculenta) male calling at pond surface, Klein Schietveld, Brasschaat, Belgium May

Cyril Ruoso / Edible frogs (Rana esculenta) in a pond in Burgundy, France, June.

Cyril Ruoso / Edible frogs (Rana esculenta) in a pond, Burgundy, France, June.

MYN / Niall Benvie / Edible frog (Pelophylax esculentus) in freshwater, Burgundy, France.

MYN / Niall Benvie / Edible frog (Pelophylax esculentus) in freshwater, Burgundy, France.

Philippe Clement / Edible frog (Pelophylax esculentus) sitting on lily pad, La Brenne, Indre, France, June

Philippe Clement / Two Edible frogs (Pelophylax esculentus) among duckweed in pond, La Brenne, Indre, France, June

Philippe Clement / Edible frog (Pelophylax esculentus) sitting among duckweed in pond, Indre, France, June.

Philippe Clement / Edible frog (Pelophylax esculentus) on land, La Brenne, Indre, France, June

Philippe Clement / Two Edible frogs (Pelophylax esculentus) among duckweed in pond, La Brenne, France, June

Philippe Clement / Edible frog (Pelophylax esculentus) among duckweed in pond, La Brenne, France, June

Philippe Clement / Edible frog (Pelophylax esculentus) among duckweed in pond, La Brenne, France, June

Jussi Murtosaari / Edible frog (Pelophylax esculentus) swimming, Turku, Lounais-Finland / South-Western Finland, Finland, July.

MYN / Dirk Funhoff / Edible Frog (Rana esculenta), Mechtersheim, Rhineland-Palatinate, Germany, August. meetyourneighbours.net project

MYN / Dirk Funhoff / Edible Frog (Rana esculenta), Mechtersheim, Rhineland-Palatinate, Germany, August. meetyourneighbours.net project

Willem Kolvoort / Edible Frog (Rana esculenta) in garden pond, Hattem, Holland. May.

Fabrice Cahez / Edible frog (Rana esculenta) in pond weed, Vosges, France, June.

Wild Wonders of Europe / Lundgren / Edible Frog (Pelophylax esculentus) held in hand, close to Crisan village, Danube Delta, Romania, June.

MYN / Dirk Funhoff / Edible Frog (Pelophylax esculenta) Rhineland-Palatinate, Germany, August. Meetyourneighbours.net project

Theo Bosboom / Green frog (rana esculente) in the Hondeven fen, Holland, June

Sven Zacek / European Edible Frog (Rana esculenta) profile. Southern Estonia, August.

Sven Zacek / European Edible Frog (Rana esculenta) portrait. Southern Estonia, August.

Sven Zacek / European Edible Frog (Rana esculenta) in pond weed. Southern Estonia, August.

Sven Zacek / European Edible Frog (Rana esculenta) portrait. Southern Estonia, August.

Bert Willaert / Edible Frog (Pelophylax kl. esculentus / Rana esculenta) at water surface, with a missing eye. Belgium, Europe, May.

Stefan Huwiler / Edible Frogs (Rana esculenta) on log in water. Switzerland, Europe, July.

Stefan Huwiler / Edible Frogs (Rana esculenta) on log in water. Switzerland, July.

Stefan Huwiler / Edible Frog (Rana esculenta) many on log in water. Switzerland, June.

Fabrice Cahez / Green / European Edible Frog (Rana esculenta) among flowering water plant. Vosges, France, May.

Thomas Marent / Edible Frog (Rana esculenta) calling, Switzerland

Thomas Marent / Edible Frog (Rana esculenta) calling, Switzerland

Thomas Marent / Edible Frog (Rana esculenta) pair in amplexus, Switzerland

Thomas Marent / Edible Frog (Rana esculenta) calling, Switzerland

Laurent Geslin / European edible frog (Rana esculenta) in urban pond with lily pads, and people observing, Paris, France, June 2010

Stephen Dalton / European edible frog (Rana esculenta) tadpole with front and back legs developed, UK

Stephen Dalton / European edible frog (Rana esculenta) tadpole with back legs developed, UK

Stephen Dalton / European edible frog {Rana esculenta} mature tadpole with rear and front legs developed, underwater, controlled conditions

Stephen Dalton / European edible frog {Rana esculenta} tadpole with rear legs developed, controlled conditions

Stephen Dalton / European edible frog {Rana esculenta} mature tadpole with fully developed rear legs, controlled conditions

Stephen Dalton / European edible frog {Rana esculenta} sitting on lily pad, UK

Stephen Dalton / European edible frog {Rana esculenta} sitting on lily pad, UK

Wild Wonders of Europe / Geslin / European edible frog (Rana esculenta) by Lake Belau, June 2009

Andy Sands / European edible frog (Rana esculenta) on mossy tree root by pond, West Sussex, England, UK.

Andy Sands / European edible frog (Rana esculenta) in shallow water on edge of pond, West Sussex, England, UK.

Fabio Liverani / European edible frog {Rana esculenta} in water, Botanic gardens of Porto Caleri, Parco Delta del Po, NE Italy 2008

Fabio Liverani / European edible frog {Rana esculenta} Botanic gardens of Porto Caleri, Parco Delta del Po, NE Italy 2008

Fabio Liverani / European edible frog {Rana esculenta} in water, Botanic gardens of Porto Caleri, Parco Delta del Po, NE Italy 2008

Thomas Marent / Edible Frog (Rana esculenta) group on log, Switzerland

Fabio Liverani / European Edible Frog (Rana esculenta) eating a Green eyed hook tailed dragonfly (Onychogomphus forcupatus) amongst pond weed, Grigne Mountains, Lombardia Region, Italy

Thomas Marent / Edible Frog (Rana esculenta) trio on log in pond, Switzerland

Philippe Clement / Edible frog {Rana esculenta} sitting amongst Duckweed (Lemnaceae), La Brenne, France

Philippe Clement / Edible frog {Rana esculenta} sitting amongst Duckweed (Lemnaceae), La Brenne, France