AUSTRALIAN REPTILE PHOTOS, DISTRIBUTION MAPS AND INFORMATION
This site covers Snakes and Lizards, Crocodiles and Turtles, including Colubrid snakes, Pythons, Elapids (called Cobras or Coral Snakes in some countries), Sea Snakes, File Snakes, Blind (or Worm) Snakes, Sea Turtles, Freshwater Turtles (or Tortoises) Dragon Lizards (Agamas), Gecko's, Legless Lizards, Monitor Lizards (often called Goanna's in Australia), Skinks and Crocodilia.
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(There are 2 sub-species)
Varanus tristis tristis
Varanus tristis orientalis
Adult Black-headed monitor (Varanus tristis tristis) above from NT
Map shows distribution of the Black-headed monitor (Varanus tristis tristis) which occurs inland and in the West of Australia as well as the Freckled monitor (Varanus tristis orientalis) which lacks the black head as an adult, from Northern and Eastern Australia
Note that Black headed monitors from South Western Australia may be totally black.
Black-headed monitor Varanus tristis tristis from western NSW
This young Black-headed monitor Varanus tristis tristis from Alice Springs NT has not developed a dark head yet and resembles a Freckled monitor Varanus tristis orientalis
Young Black-headed monitors Varanus tristis tristis do not have a dark head
Adult Black-headed monitor Varanus tristis tristis
Updated June 22, 2018