Paul D Stewart / Photomontage of living gecko feet showing a variety of forms. Gecko feet employ very small subdivided filaments to bond with their substrates at the molecular level using Van Der Waals' forces. Every...

Michael D. Kern / Madagascar Ground Gecko / Big headed gecko(Paroedura Pictus) captive, from Madagascar

Bert Willaert / Banded Ground Gecko (Geckoella deccanensis) portrait. Western Ghats, India, July.

Hanne & Jens Eriksen / Carter's semaphore gecko (Pristurus carteri) standing on rocky ground. Oman, June.

Bernard Castelein / Graceful Madagascar ground gecko (Paroedura gracillis), cleaing its eye with its tongue, Marojejy NP, Madagascar

Emanuele Biggi / Barking gecko (Ptenopus garrulus) standing on the ground at night in search of something to eat, Brandberg area, Namibia.

Lucas Bustamante / Giant Ground Gecko (Chondrodactylus angulifer), close-up of eye, Swakopmund, Erongo, Namibia.

Yashpal Rathore / Deccan ground gecko (Cyrtodactylus albofasciatus) , on forest floor. Amboli, Maharashtra, India. Endemic to Western Ghats.

Yashpal Rathore / Deccan ground gecko (Cyrtodactylus albofasciatus) on forest floor. Amboli, Maharashtra, India. Endemic to Western Ghats.

Yashpal Rathore / Deccan ground gecko (Cyrtodactylus albofasciatus) on forest floor. Amboli, Maharashtra, India. Endemic to Western Ghats.

Yashpal Rathore / Deccan ground gecko (cyrtodactylus albofasciatus) on forest floor, backlit with water droplets. Amboli, Maharashtra, India. Endemic to Western Ghats.

Yashpal Rathore / Deccan ground gecko (Cyrtodactylus albofasciatus) , backlit on leaf. Amboli, Maharashtra, India. Endemic to Western Ghats.

Bernard Castelein / Stumpff's Madagascan ground gecko (Paroedura stumpffi) Ankarana National Park, Madagascar

MYN / Javier Aznar / Middle Eastern short-fingered gecko (Stenodactylus doriae) dorsal view, Oman. Meetyourneighbours.net project

Nick Garbutt / Gracile Big-headed Gecko (Paroedura gracilis) climbing on tree roots at night. Marojejy National Park, north east Madagascar.

Nick Garbutt / Gracile Big-headed Gecko (Paroedura gracilis) on the forest floor at night. Marojejy National Park, north east Madagascar.

Chris Mattison / Grandidier's gecko (Paroedura androyensis) hatchling, captive native to Madagascar.

Konrad Wothe / Gecko (Paroedura bastardi) Kirindy Forest, West Madagascar, Africa

Konrad Wothe / Gecko (Paroedura bastardi) Kirindy Forest, West Madagascar, Africa

Chris Mattison / Dwarf form of Mocquard's Madagascan Ground Gecko (Paroedura bastardi) possibly a new undescribed species. Madagascar.

Chris Mattison / Dwarf form of Mocquard's Madagascan Ground Gecko (Paroedura bastardi) possibly a new undescribed species. Madagascar.

Loic Poidevin / Leaf tailed gecko (Uroplatus fimbriatus) camouflaged on leaf litter, Madagascar

Bert Willaert / A Banded Ground Gecko (Geckoella deccanensis) licking water from its eye. Western Ghats, India.

Nature Production / Kuroiwa's Ground Gecko (Goniurosaurus kuroiwae kuroiwae) Japan

Tony Phelps / Giant ground gecko (Chondodactylus angulifer) portrait, Northern Cape, South Africa

Tony Phelps / Giant ground gecko (chondrodactylus angulifer) Northern Cape, South Africa

Hanne & Jens Eriksen / Baluch ground gecko {Bunopus tuberculatus} camouflaged in acacia bush, UAE

Tony Phelps / Persian ground gecko (Stenodactylus doriae) on sand, Sharjah, UAE

Jouan & Rius / Big headed gecko (Paroedura pictus) on the ground of tropical dry forest, Madagascar

Robert Valentic / Stone gecko {Diplodactylus vittatus} camouflaged on lichen encrusted ground, Queensland, Australia

Robert Valentic / Beaded gecko (Lucasium damaeum ) Wathe reserve, Victoria, Australia

PREMAPHOTOS / Persian ground gecko lizard {Stenodactylus doriae} on rock at night, Israel

Robert Valentic / Beaded gecko (Lucasium damaeus) Victoria, Australia

Nick Garbutt / Stumpff's Madagascar Ground Gecko {Paroedura stumpffi} Mt d'Ambre NP, Madagascar

Nick Gordon / Mocquard's Madagascar Ground Gecko {Paroedura bastardi} Berenty, Madagascar

PREMAPHOTOS / Persian ground gecko in desert at night. Israel {Stenodactylus doriae}

Robert Valentic / Gecko (Lucasium immaculatus) female, Queensland, Australia

Robert Valentic / White spotted ground gecko (Lucasium alboguttatum) Western Australia

Joel Sartore / Photo Ark / Grandidier's Madagascar ground gecko (Paroedura androyensis) female, portrait, Josh'sFrogs. Captive, occurs in Madagascar.

Joel Sartore / Photo Ark / Grandidier's Madagascar ground gecko (Paroedura androyensis) female, portrait, Josh'sFrogs. Captive, occurs in Madagascar.

Chris Mattison / Painted big-headed gecko (Paroedura pictus) on white background, Madagascar

Chris Mattison / Painted big-headed gecko (Paroedura pictus) on white background, Madagascar