Steven David Miller / Top end dtella gecko (Gehyra australis) camouflaged against tree bark. Lake Argyle, near Kununurra, Western Australia.

Jiri Lochman / Bungle bungle Dtella (Gehyra ipsa), Purnululu National Park UNESCO Natural World Heritage Site, Western Australia, Australia. Endemic species of Purnululu National Park World Heritage Area

MYN / Lily Kumpe / Tree Dtella (Gehyra variegata) Plutonic Gold Mine, Meekatharra Shire, Gascoyne Bioregion, Western Australia. Meetyourneighbtous.net project

MYN / Lily Kumpe / Tree Dtella (Gehyra variegata) Plutonic Gold Mine, Meekatharra Shire, Gascoyne Bioregion, Western Australia. Meetyourneighbtous.net project

MYN / Lily Kumpe / Tree Dtella Gecko (Gehyra variegata) Plutonic Gold Mine, Meekatharra Shire, Gascoyne Bioregion, Western Australia. Meetyourneighbtous.net project

Joel Sartore / Photo Ark / Halmahera giant gecko (Gehyra marginata) head portrait, Hutchinson Zoo. Captive, occurs in Indonesia.

Joel Sartore / Photo Ark / Halmahera giant gecko (Gehyra marginata) portrait, Hutchinson Zoo. Captive, occurs in Indonesia.

Joel Sartore / Photo Ark / Halmahera giant gecko (Gehyra marginata) portrait, Hutchinson Zoo. Captive, occurs in Indonesia.

Joel Sartore / Photo Ark / Voracious four-clawed gecko (Gehyra vorax) portrait, Plzen Zoo. Captive, occurs in New Guinea and Pacific Islands.

Joel Sartore / Photo Ark / Voracious four-clawed gecko (Gehyra vorax) head portrait, Plzen Zoo. Captive, occurs in New Guinea and Pacific Islands.

Joel Sartore / Photo Ark / Voracious four-clawed gecko (Gehyra vorax) portrait, Plzen Zoo. Captive, occurs in New Guinea and Pacific Islands.

Bruce Thomson / Tree dtella (Gehyra dubia) climbing in low vegetation at night, Avocet Nature Reserve, Queensland, Australia.