Juergen Freund / Green Tree Ants (Oecophylla smaragdina) attacking Common House Gecko (Hemidactylus frenatus) Cairns, Queensland, Australia

Fabio Pupin / Mediterranean house gecko, (Hemidactylus turcicus), standing on sandstone, Tuscany, Italy, August . Non-ex.

Robin Chittenden / Mediterranean house gecko (Hemidactylus turcicus) on hands. Cyprus. April.

Robin Chittenden / Mediterranean house gecko (Hemidactylus turcicus). Cyprus. April.

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

Piotr Naskrecki / Flathead Leaf-toed Gecko (Hemidactylus platycephalus) foot pads showing scales which enable it to climb vertical surfaces, Gorongosa National Park, Mozambique

Piotr Naskrecki / Moreau's Tropical House Gecko (Hemidactylus mabouia) foot pads showing scales which enable it to climb vertical surfaces, Gorongosa National Park, Mozambique

Piotr Naskrecki / Moreau's Tropical House Gecko (Hemidactylus mabouia), Gorongosa National Park, Mozambique

Martin Gabriel / Yellow-bellied house gecko (Hemidactylus flaviviridis), Ras Al Hadd, Sultanate of Oman, February.

Daniel Heuclin / Common house gecko (Hemidactylus frenatus) indoors on ceiling, introduced species. Sumatra.

Daniel Heuclin / Common house gecko (Hemidactylus frenatus) indoors on ceiling, introduced species. Sumatra.

Bernard Castelein / Grandidier's velvet gecko (Blaesodactylus sakalava) Reniala Forest, Mangily, Madagascar