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

Suzi Eszterhas / Asian Water Monitor (Varanus salvator) resting on branch over Kinabatangan River, Sabah, Borneo, Malaysia

Ingo Arndt / Common Water Monitor (Varanus salvator) swimming, native to southern Asia

Shibai Xiao / Water monitor (Varanus salvator) captured by poachers, Bawangling National Nature Reserve, Hainan Island, China, January 2007.

Shibai Xiao / Asian water monitor lizard (Varanus salvator) group, Wildanimal rescue center, Hanning, Guangxi Province, China. Captive.

Suzi Eszterhas / Common Water Monitor (Varanus salvator) resting on branch, Kinabatangan River, Malaysia

Kevin Schafer/ AITo / Common Water Monitor (Varanus salvator) walking through Maleo (Macrocephalon maleo) breeding ground, Sulawesi, Indonesia

Mark Carwardine / Water Monitor (Varanus salvator) tasting the air with its tongue. Borneo, Indonesia.

Daniel Heuclin / Rough-neck water monitor (Varanus salvator nuchalis) climbing down branch, Guimaras Island, Philippines, Controlled conditions

Suzi Eszterhas / Common Water Monitor (Varanus salvator), Way Kambas National Park, Sumatra, Indonesia

Suzi Eszterhas / Common Water Monitor (Varanus salvator), Way Kambas National Park, Sumatra, Indonesia

Chien Lee / Common Water Monitor (Varanus salvator), Sigirya, Sri Lanka

GEORGETTE DOUWMA / Monitor lizard {Varanus salvator} emerging from turtle nest after eating eggs, Sabah

Tim Laman / Asian / Common Water Monitor (Varanus salvator) amongst mangrove roots on a river bank, Sundarban Forest, Khulna Province, Bangladesh.

Tim Laman / Asian / Common Water Monitor (Varanus salvator) amongst mangrove roots on a river bank, Sundarban Forest, Khulna Province, Bangladesh.

Tim Laman / Asian / Common Water Monitor (Varanus salvator) amongst mangrove roots on a river bank, Sundarban Forest, Khulna Province, Bangladesh.

Tim Laman / Asian / Common Water Monitor (Varanus salvator) amongst mangrove roots on a river bank, Sundarban Forest, Khulna Province, Bangladesh.

Juan Carlos Munoz / Asian water monitor lizard (Varanus salvator) on forest floor, Rio Sungai Kinabatangan, Sabah, Borneo, Malaysia

Juan Carlos Munoz / Asian water monitor lizard (Varanus salvator) on forest floor, Rio Sungai Kinabatangan, Sabah, Borneo, Malaysia

Juan Carlos Munoz / Asian water monitor lizard (Varanus salvator) in river, Rio Sungai Kinabatangan, Sabah, Borneo, Malaysia

Tony Heald / Asian Water Monitor [Varanus salvator] portrait with tongue exposed, Sukau, Sabah, Borneo, September

Tim Laman / Asian water monitor lizard (Varanus salvator) swimming across the river with a small grasshopper on its head. Kinabatangan Wildlife Sanctuary, Sabah, Malaysia, Borneo.

Tim Laman / Asian water monitor lizard {Varanus salvator} Lower Kinabatangan Wildlife Sanctuary, Sabah, Borneo, Malaysia

Nick Garbutt / Asian water Monitor (Varanus salvator), Kinabatangan River, Sabah, Borneo

GEORGETTE DOUWMA / Asian water monitor lizard (Varanus salvator) Sipidan, Malaysia

GEORGETTE DOUWMA / Asian water monitor lizard (Varanus salvator) Sipidan, Malaysia

Gertrud & Helmut Denzau / Asian Water Monitor lizard {Varanus salvator} among pneumatophores (aerial roots) in Mangroves, India

GEORGETTE DOUWMA / Asian water monitor lizard head profile portrait(Varanus salvator) Malaysia, Sipidan.

Kevin Schafer/ AITo / Maleo (Macrocephalon maleo) running from Common Water Monitor (Varanus salvator) on beach, Sulawesi, Indonesia

GEORGETTE DOUWMA / Monitor lizard {Varanus salvator} emerging from turtle nest after eating eggs. Sabah