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 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

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

Nick Upton / Male Tyrrhenian wall lizard (Podarcis tiliguerta) sun basking on a granite rock. Corsica, France, June.

Nick Upton / Male Tyrrhenian wall lizard (Podarcis tiliguerta) sun basking on a rock. Corsica, France, May.

Nick Upton / Female Tyrrhenian wall lizard (Podarcis tiliguerta) sun basking on a granite rock. Corsica, France, June.

Konrad Wothe / Tyrrhenian Wall Lizard (Podarcis tiliguerta), Sardinia, Italy

Konrad Wothe / Tyrrhenian Wall Lizard (Podarcis tiliguerta) basking, Sardinia, Italy

Philippe Clement / Close-up of Common wall lizard (Podarcis / Lacerta muralis) sunning on burned wood, La Brenne, France

Philippe Clement / Common wall lizard (Podarcis / Lacerta muralis) sunning on burned wood, La Brenne, France

Laurent Geslin / Common wall lizard (Podarcis muralis) climbing the wall of a restaurant overlooking lake, Switzerland, July

Laurent Geslin / Common wall lizard (Podarcis muralis) head portrait, climbing the wall of a restaurant overlooking lake, Switzerland, July

Laurent Geslin / Common wall lizard (Podarcis muralis) climbing the wall of a restaurant overlooking lake, Switzerland, July

Laurent Geslin / Common wall lizard (Podarcis muralis) climbing the wall of a restaurant overlooking lake, Switzerland

Stephen Dalton / Gecko (Gekkonidae) on wall of hut

Tui De Roy / Mourning Gecko (Lepidodactylus lugubris) on building wall, introduced invasive species, Galapagos Islands, Ecuador

Miles Barton / Wall lizard (Podarcis lilfordi) on Dead Horse Arum (Helicodiceros / Dracunculus muscivorus) flower, Aire Islet, Menorca, April The arum attracts insects by producing a carrion-like smell and luring t...

Stephen Dalton / Green lizard (Lacerta viridis) basking on wall, Europe

Philippe Clement / Common wall lizard (Podarcis muralis) sunning on rock, La Brenne, France

Philippe Clement / Portrait of Common wall lizard (Podarcis muralis) on rock, La Brenne, France

Philip Dalton / Common wall lizard {Podarcis muralis} at entrance to burrow in stone wall, Europe

Philip Dalton / Common wall lizard {Podarcis muralis} emerging from burrow in stone wall, Europe

Konrad Wothe / Wall Lizard (Mesalina sp) on sand, Libya

Wild Wonders of Europe / Ziegler / Kotschy's gecko (Mediodactylus kotschyi) on a rock wall, Mani Peninsula, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Peloponnese wall lizard (Podarcis peloponnesiacus) close-up showing leg, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Kotschy's gecko (Mediodactylus kotschyi) on a rock wall, Mani Peninsula, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Peloponnese wall lizard (Podarcis peloponnesiacus) looking out from crack between rocks, The Peloponnese, Greece, May 2009

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

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

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

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

Wild Wonders of Europe / Ziegler / Kotschy's gecko (Mediodactylus kotschyi) on a rock wall, Mani Peninsula, The Peloponnese, Greece, May 2009

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

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

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

Wild Wonders of Europe / Maitland / Rear view of Balkan wall lizard (Podarcis taurica) climbing vegetation to get food, Stenje region, Galicica National Park, Macedonia, June 2009

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

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

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

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

Stephen Dalton / Wall lizard (Lacerta muralis) sunning on rock, Italy

Stephen Dalton / Wall lizard (Lacerta muralis) sunning on rock, Italy

Stephen Dalton / Wall lizard (Lacerta muralis) sunning on fence post, Italy

Tony Phelps / Southern Rock Agama (Agama atra) male basking on wall, DeHoop NR, Western Cape, South Africa

Tony Phelps / Southern Rock Agama (Agama atra) female basking on wall, DeHoop NR, Western Cape, South Africa

Tony Phelps / Karoo Sandveld lizard (Nucras livida) Little Karoo, South Africa

Jose B. Ruiz / Formentera lizard {Podarcis pityusensis formenterae} Formentera Island, Balearic Islands, Spain

Jose B. Ruiz / Formentera lizard {Podarcis pityusensis formenterae} sunning on rock, Formentera Island, Balearic Islands, Spain

Juan Carlos Munoz / Shovel snouted lizard (Meroles anchietae) on sand dune, Namib desert, Namibia, August 2008

Juan Carlos Munoz / Shovel snouted lizard (Meroles anchietae) on dry cracked desert ground, Namib desert, Namibia, August 2008

Juan Carlos Munoz / Shovel snouted lizard (Meroles anchietae) on sand dune, Namib desert, Namibia, August 2008

Inaki Relanzon / Ibiza Wall Lizard (Podarcis pityusensis), endemic lizard from Ibiza and Formentera Islands, Balearic Islands, Mediterranean, Spain. June

Inaki Relanzon / Ibiza Wall Lizard (Podarcis pityusensis), endemic lizard from Ibiza and Formentera Islands, Balearic Islands, Mediterranean, Spain. June

Miles Barton / Dalmation algroides (Algyroides nigropunctatus) Female. Corfu, Greece

Miles Barton / Dalmation algroides (Algyroides nigropunctatus) Male, Corfu, Greece

Francis Abbott / Lilford's wall Lizards (Podarcis lilfordi) melanistic black form only found on the Isla del Aire, Menorca, Spain

Francis Abbott / Lilford's wall Lizard (Podarcis lilfordi) melanistic black form only found on the Isla del Aire, Menorca, Spain

Francis Abbott / Lilford's wall Lizard (Podarcis lilfordi) melanistic black form only found on the Isla del Aire, Menorca, Spain

Francis Abbott / Lilford's wall Lizard (Podarcis lilfordi) melanistic black form only found on the Isla del Aire, Menorca, Spain

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

Konrad Wothe / Wall Lizard (Podarcis sp) without tip of tail, Peloponnese, Greece

Fabio Liverani / Research scientist removes a tick from an Italian wall lizard {Podaris sicula} Parco Delta del Po, NE Italy 2008

Fabio Liverani / Research scientist measures an Italian wall lizard {Podaris sicula} Parco Delta del Po, NE Italy 2008

Kerstin Hinze / Tyrrhenian Wall Lizard (Podarcis tiliguerta) basking on rocks, Sardinia, Italy

Jouan & Rius / Shovel nosed lizard (Aporosaura anchieta) in the dunes, Namib Naukluft NP, Namib desert, Namibia

Jouan & Rius / Shovel nosed lizard (Aporosaura anchieta) in the dunes, Namib Naukluft NP, Namib desert, Namibia

Albert Lleal / Moorish Wall Gecko (Tarentola mauritanica) SEM close-up view of fingers, showing the setae, at 35x magnification

Albert Lleal / Moorish Wall Gecko (Tarentola mauritanica) SEM close-up view of the adhesive filaments on the bottom of the foot at 16.5x magnification

Albert Lleal / Moorish Wall Gecko (Tarentola mauritanica) SEM close-up of foot of at 16.5x magnification

Rolf Nussbaumer / Starred Agama {Agama stellio stellio} adult on rock wall, Samos, Greek Island, Greece, April