Cyril Ruoso / Komodo Dragon (Varanus komodoensis) approaching, Komodo National Park, Indonesia

Cyril Ruoso / Komodo Dragon (Varanus komodoensis) using tongue to smell, Komodo National Park, Indonesia

Chien Lee / Komodo Dragon (Varanus komodoensis) in grass, Nusa Tenggara, Indonesia

Stephen Dalton / Giant sailfin dragon lizard (Hydrosaurus pustulatus) running over water, from Indonesia, controlled conditions

Stephen Dalton / Flying lizard (Draco volans) gliding, controlled conditions, from Indonesia

Stephen Dalton / Flying lizard (Draco volans) gliding, controlled conditions, from Indonesia

Stephen Dalton / Giant sailfin dragon lizard {Hydrosaurus amboinensis} running over the surface of water, controlled conditions, from Indonesia

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

Michael & Patricia Fogden / Frilled Lizard (Chlamydosaurus kingii) with frill raised and mouth open in defensive posture on tree log, Australia

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

Tui De Roy / Komodo Dragon (Varanus komodoensis) large male walking towards camera, Komodo National Park, Komodo Island, Indonesia