Laurie Campbell / Common / Viviparous lizard (Zootoca vivipara) mother with young. Burnmouth, Berwickshire, England, UK.

Niall Benvie,Niall Benvie / Wall Lizard (Podarcis lilfordi) against white background. France, August.

Bert Willaert / Large Psammodromus (Psammodromus algirus) on sand against habitat plains. Ebro Delta, Spain.

Bert Willaert / Large Psammodromus Lizard (Psammodromus algirus) against sand. Ebro Delta, Spain.

Wild Wonders of Europe / Ziegler / Peloponnese wall lizard (Podarcis peloponnesiacus) under rock, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Peloponnese wall lizard (Podarcis peloponnesiacus) on rock, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Peloponnese wall lizard (Podarcis peloponnesiacus) on rock in a typical village, Mani Peninsula, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Peloponnese wall lizard (Podarcis peloponnesiacus) portrait, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Maitland / Balkan wall lizard (Podarcis taurica) Stenje region, Galicica National Park, Macedonia, June 2009

Wild Wonders of Europe / Lilja / Two Erhard's wall lizards (Podarcis erhardii) Crete, Greece, April 2009

Angelo Gandolfi / Common wall lizard (Podarcis muralis) fighting (and feeding on) a Yellow-tailed / European Scorpion (Euscorpius flavicaudis), Piemonte. Italy.

Wild Wonders of Europe / Oxford / Iberian Wall Lizard (Podarcis hispanica) on rock, Sierra de Andjar Natural Park, Mediterranean woodland of Sierra Morena, north east Jan Province, Andalusia, Spain, April 2009

Solvin Zankl / Shovel-nosed lizard / Namib Sanddiver (Aporosaura anchietae) Namib desert, Namibia

Robert Valentic / Milos wall lizard (Podarcis milensis) male from the hills above Plaka on Milos Island, Greece, July. Controlled conditions.

Robert Valentic / Milos wall lizard (Podarcis milensis) male in breeding colours from Plaka on Milos Island, Greece, July. Controlled conditions.

Robert Valentic / Peloponnese wall lizard (Podarcis peloponnesiacus) in breeding colours. Kardamyli,Peloponnese, Greece. August.

Fabio Pupin / Common wall lizard, (Podarcis muralis), ventral pattern used for ID, Italy, July . Non-ex.

Fabio Pupin / Sicilian wall lizard, (Podarcis wagleriana), Sicily, Italy, April . Non-ex.

Fabio Pupin / Large psammodromus, (Psammodromus algirus), in wood habitat, Spain, June . Non-ex.

Fabio Pupin / Large psammodromus, (Psammodromus algirus), in wood habitat, Spain, June . Non-ex.

Fabio Pupin / Large psammodromus, (Psammodromus algirus), male with mating season colours near stream, Spain, June . Non-ex.

Fabio Pupin / Iberian wall lizard, (Podarcis hispanicus), male on mossy rock, Spain, June . Non-ex.

Fabio Pupin / Martinez-Rica's rock lizard,(Iberolacerta martinezricai), basking in habitat, Spain, October. Critically endangered species. Non-ex.

Fabio Pupin / Common wall lizard, (Podarcis muralis), rare melanic morph, Italy, April . Non-ex.

Fabio Pupin / Dalmatian wall lizard, (Podarcis melisellensis), fight between two males with distinct morphs, Croatia, April . Non-ex.

Fabio Pupin / Tyrrhenian wall lizard, (Podarcis tiliguerta), basking on granite boulders, Sardinia, Italy, June . Non-ex.

Fabio Pupin / Italian wall lizard, (Podarcis sicula), basking on tree branch, Sicily, Italy, April . Non-ex.

Fabio Pupin / Common wall lizard, (Podarcis muralis), scientist applying non-toxic paint for visual identification, Italy, April . Non-ex.

Fabio Pupin / Martinez-Rica's rock lizard, (Iberolacerta martinezricai), Spain, October . Non-ex.

Fabio Pupin / Common wall lizard, (Podarcis muralis), close-up of the head, Italy, March . Non-ex.

Fabio Pupin / Large psammodromus, (Psammodromus algyrus), Portugal, September. Non-ex.

Nick Upton / Female Tyrrhenian wall lizard (Podarcis tiliguerta) sun basking on a boulder, Sardinia, Italy, June.

Nick Upton / Male Tyrrhenian wall lizard (Podarcis tiliguerta) sun basking on a boulder, Sardinia, Italy, June.

Mike Read / Tyrrhenian wall lizard (Podarcis tiliguerta) basking on rock. Restonica Valley, Regional Natural Park of Corsica, France. July.

Philippe Clement / Two Common wall lizards (Podarcis muralis) interacting on a burnt log, La Brenne, France, April.

Philippe Clement / Two Common wall lizards (Podarcis muralis) basking on an old log, La Brenne, France, April.

Alain Dragesco-Joffe / Scutellated fringe-fingered lizard (Acanthodactylus scutellatus) Tenere, Sahara, Niger.

Robin Chittenden / Italian wall lizard (Podarcis siculus), Sicily, Italy. April.

Robin Chittenden / Sicilian wall lizard (Podarcis waglerianus) basking on rock, Sicily, Italy. April.

Kim Taylor / Common wall lizard (Podarcis muralis) pair sharing a rock crevice. Apennines, Italy, May.

Adrian Davies / Two Common lizards (Zootoca vivipara) basking on rock, showing polymorphism, Devon, UK. August.

Philippe Clement / Two young viviparous lizards / Common lizard (Zootoca vivipara / Lacerta vivipara) juveniles sunning on log in summer, Belgium, September

Dave Bevan / Juvenile Viviparous lizards (Zootoca vivipara) basking on a rock, Carmarthenshire, Wales, UK, September.

Oriol Alamany / Ibiza Wall Lizard (Podarcis pityusensis) Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Lorraine Bennery / Tyrrhenian wall lizard (Podarcis tiliguerta) on a rock, Gulf of Porto, Scandola Reserve UNESCO World Heritage site, Calanche of Piana, Corsica, France.

Ingo Arndt / Two Gekkos on wall {Gekkonidae} Sri Lanka

Nick Upton / Common wall lizard (Podarcis muralis) basking on a limestone rock, Asturias, Spain, August.

Nick Upton / Adult and young male Gran Canaria giant lizards (Gallotia stehlini) on volcanic rock boulder, Gran Canaria, Canary Islands, June.

Colin Varndell / Wall lizard (Podarcis muralis) male basking on stone, Portland, Dorset, UK June

Cyril Ruoso / Iberian wall lizard (Podarcis hispanica), Alberes Mountains, Pyrenees, France, Octobed.

Laurie Campbell / Common / Viviparous Lizard (Zootoca vivipara) young breaking free from egg membrane it was born in. This species can both give birth to live young in a thin membrane and lay eggs. Burnmouth, Berwicks...

Alex Hyde / Common wall lizard (Podarcis muralis) in crevice of limestone cliff. Plitvice Lakes National Park, Croatia. November.

MYN / Niall Benvie / Wall lizard (Podarcis muralis) Burgundy, France, April.

MYN / Niall Benvie / Wall lizard (Podarcis muralis) Burgundy, France, April.

Colin Varndell / Wall lizard (Podarcis muralis) basking on stone. Portland, Dorset, UK, July.

Dave Watts / European green lizard (Lacerta viridis) and European wall lizard (Podarcis muralis) France, April.

Pascal Pittorino / Common wall lizard (Podarcis muralis) sunning on tree trunk of a Canary island palm (Phoenix canariensis) Var, Provence, France, March

Pascal Pittorino / Tyrrhenian wall lizard (Podarcis tiliguerta) on a rock, Parc Naturel Regional de Corse / Corsica Natural Regional Park, Corsica Island. France, May.

Martin Gabriel / Common wall lizard (Podarcis muralis) juvenile, Kelheim, Bavaria, Germany, September.

Martin Gabriel / Common wall lizard (Podarcis muralis) juvenile, Kelheim, Bavaria, Germany, September.

Stephen Dalton / European wall lizard (Podarcis muralis) Menorca. May.

Stephen Dalton / European wall lizard (Podarcis muralis) Menorca. May.

MYN / Niall Benvie / Composite of many different species of plants, insects spiders and Wall Lizard (Podarcis muralis) from Preporche, Burgundy, France, April. meetyourneighbours.net project

MYN / Paul van Hoof / Common wall lizard (Podarcis muralis) female, France, April. Meetyourneighbours.net project

Sebastian Kennerknecht / Southern Tree Agama (Acanthocercus atricollis) female on wall, Kibale National Park, western Uganda

Luis Quinta / Spiny footed lizard (Acanthodactylus erythrurus) juvenile, Portugal. Endemic to Iberia.

Luis Quinta / Male Algerian psammodromus (Psammodromus algirus) in breeding colouration, Caparica Fossil Cliff, Portugal, May.

Luis Quinta / Male Algerian psammodromus (Psammodromus algirus) in breeding colouration, Caparica Fossil Cliff, Portugal, May.

Luis Quinta / Spiny footed lizard (Acanthodactylus erythrurus) juvenile, Portugal. Endemic to Iberia.

MYN / Goncalo Nuno Lemos / Iberian Wall Lizard (Podarcis hispanica) Figueira do Outeiro, Portugal, September. Meetyourneighbours.net project

Colin Varndell / Sand Lizard (Lacerta agilis) male in breeding colours, Dorset, UK, May.

Paul Harcourt Davies / Italian Wall Lizard (Podarcis sicula) adult female, portrait, in garden, Orvieto, Italy

Paul Harcourt Davies / Italian Wall Lizard (Podarcis sicula) adult female, Orvieto, Italy, September

Paul Harcourt Davies / Wall Lizard (Podarcis muralis) Bolsena, near Viterbo, Lazio, Italy, September

Niall Benvie / Wall Lizard (Podarcis lilfordi) against white background. France, August.

Niall Benvie / Wall Lizard (Podarcis lilfordi) against white background. France, August.

Niall Benvie / Wall Lizard (Podarcis lilfordi) against white background. France, August.

Konrad Wothe / Italian Wall Lizard (Podarcis sicula) with regrowing tail, Italy

Konrad Wothe / Italian Wall Lizard (Podarcis sicula), Italy

Robert Thompson / Italian wall lizard (Podarcis siculus) north of San Nicandro Garganico, Gargano, Italy

Robert Thompson / Italian wall lizard (Podarcis siculus) north of San Nicandro Garganico, Gargano, Italy

Robert Thompson / Italian wall lizard (Podarcis siculus) north of San Nicandro Garganico, Gargano, Italy, April

Juan Manuel Borrero / Illustration of Common Wall Gecko (Tarentola mauritanica). Pencil and watercolor painting.

Juan Manuel Borrero / Illustration of threatened species of Spain : Blue whale (Balenoptera musculus), Brown bear (Ursus arctos), Spanish ibex (Capra pyrenaica hispanica), Bullhead (Cottus gobio), Iberian Rock Lizard (Lace...

Shibai Xiao / Chinese mantis (Tenodera aridlfolia Sinensls) close up feeding on a Grey chinese wall gecko (Gekko chinensis) Guangxi Province, China.

Colin Varndell / Adult common Lizard (Lacerta muralis) with new tail growth after shedding tail (autonomy). Dorset, UK, August.

Robin Chittenden / Common wall lizard (Podarcis muralis) Dobrich, Bulgaria, September

Bert Willaert / Wall Lizard (Phoenicolacerta / Lacerta troodica) in leaf litter. Cyprus, the Mediterraneum, August.

Bert Willaert / Tyrrhenian Wall Lizard (Podarcis tiliguerta) head in profile. Corsica, the Mediterranean, August.

Robin Chittenden / Large Psammodromus (Psammodromus algirus) Portugal, October

Stephen Dalton / Wall Lizards (Lacerta muralis) male and female basking. Umbria, Italy, April.

Stephen Dalton / Wall Lizard (Lacerta muralis) basking. Umbria, Italy, April.

Jean E. Roche / Tyrrhenian wall lizard (Podarcis / Lacerta tiliguerta) Saleccia, Agriate, Corsica, France

Bruno D'Amicis / Linosa island's subspecies of the Filfola Lizard or Maltese Wall Lizard (Podarcis filfolensis ssp. laurentimulleri) on volcanic rock. Linosa, Sicily, July.

Bruno D'Amicis / Linosa island's subspecies of the Maltese Wall Lizard (Podarcis filfolensis / lilfordi ssp. laurentimulleri) on volcanic rock. Linosa, Sicily, July.

Florian Möllers / Sand lizard (Lacerta agilis) male on a stone wall, Oekowerk in the Grunewald, Berlin, Germany, June