Robert Valentic / Phuket horned tree lizard (Acanthosaura phuketensis) near Bang Pae Waterfall, Khao Phra Thaew NP, Phuket Island, Thailand.

Chien Lee / Common Flat-tail Gecko (Uroplatus fimbriatus) on tree, Marojejy National Park, Madagascar

Nick Garbutt / Three Mossy Leaf-tailed Geckos (Uroplatus sikorae) in differing colour morphs. From forest understorey at night. Masoala National Park, Madagascar. Photographed on white background

Juan Carlos Munoz / Comb crested dragon lizard {Gonocephalus liogaster} on Strangler fig roots, Danum valley forest reserve, Sabah, Borneo, Malaysia

Nick Garbutt / Bornean angle-headed lizard (Gonocephalus bornensis) with mouth open in forest habitat, Danum Valley, Sabah, Borneo, Malaysia

Thomas Marent / Banded Anole (Anolis insignis) displaying dewlap in cloud forest, Costa Rica

Patricio Robles Gil / Fiji Crested Iguana (Brachylophus vitiensis) beside Heliconia, endemic to Fiji and Tonga

Juergen Freund / Boyds Forest Dragon climbing tree {Hypsilurus boydii} Mossman Gorge, Queensland, Australia

Michael & Patricia Fogden / Heliconia (Heliconia irrasa) and palms with female Green Anole (Norops biporcatus) in rainforest, Costa Rica

Claus Meyer / Green Iguana (Iguana iguana) clinging to branch in tropical rainforest, Caatinga, Brazil

Michael & Patricia Fogden / Boyd's Forest Dragon (Hypsilurus boydii) portrait, Queensland, Australia

Gerry Ellis / Parson's Chameleon (Calumma parsonii) female, eastern rainforest, Madagascar