Rod Williams / Green / Emerald Tree Monitor (Varanus prasinus) head portrait climbing tree trunk. Captive, from Papua New Guinea, Indonesia

Georgette Douwma / Asian water monitor lizard (Varanus salvator) Malaysia. Sipidan.

Georgette Douwma / Asian water monitor lizard (Varanus salvator) climbing tree, Kinabatangan flood plain, Sabah, Malaysia

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

Mark Jones / Komodo Dragon (Varanus komodoensis) large male testing ground for scent with specialized forked tongue, Komodo National Park, Komodo Island, Indonesia

Michael Pitts / Mertens water monitor swimming {Varanus mertensi} Litchfield NP Australia

Michael Pitts / Komodo dragon hatching from egg (Varanus komodoensis) Komodo Is Indonesia

Michael Pitts / Komodo dragon, 2-day-old (Varanus komodoensis) in Tamarind tree, Komodo Is

Michael Pitts / Komodo dragon about to lay eggs in burrow made in megapode mound (Varanus komodoensis) Komodo Is

Michael Pitts / Komodo dragons, 2-day-old (V. komodoensis) Hatchlings climb trees to avoid being eaten by predators.

Michael Pitts / Komodo dragon hatchling emerging from megapode mound (Varanus komodoensis) Komodo Is

Michael Pitts / Komodo dragon female head profile portrait (Varanus komodoensis) Komodo Is Indonesia