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

Jason Venus / Desert monitor {Varanus griseus} Sahara desert

Michael Pitts / Komodo dragon {Varanus komodoensis} hatching from egg, Komodo Island, Indonesia.

Tony Heald / Southern savanna (Rock) monitor {Varanus albigularis} panting Etosha NP, Namibia

Steven David Miller / Perentie {Varanus giganteus} Northern Territory, Australia, Alice Springs Reptile Park - largest Australian monitor lizard

Suzi Eszterhas / Komodo Dragon (Varanus komodoensis), Komodo National Park, Indonesia

Suzi Eszterhas / Komodo Dragon (Varanus komodoensis), Komodo National Park, Indonesia

David Fleetham / Komodo dragon (Varanus komodoensis) on beach. Rinca Island, Komodo National Park, Indonesia.

David Fleetham / Perentie (Varanus giganteus) walking across sand, Australia.

David Fleetham / Perentie (Varanus giganteus)walking across sand, Australia.