Robert Valentic / Eastern tiger snake (Notechis scutatus) female, Yarra River corridor in suburban Melbourne, Victoria, Australia, in mid-summer. She is in a defensive pre-strike position with hood expanded, accompanie...

Robert Valentic / Kangaroo Island Tiger Snake (Notechis ater) hatchling, Baudin Beach, Kangaroo Island, South Australia, autumn.

Robert Valentic / Eastern tiger snake (Notechis scutatus) newly hatched, Waratah Bay,South Gippsland, Victoria, Australia, June.

Robert Valentic / Eastern tiger snake (Notechis scutatus / ater) with bokeh affect, Australia.

Robert Valentic / Eastern Tiger Snake (Notechis scutatus) female, from coastal sand dunesn in the south western corner of Victoria, Australia.

Ernie Janes / Tasmanian tiger snake (Notechis scutatus) two together, highly venomous species. Tasmania, Australia.

Ernie Janes / Tasmanian tiger snake (Notechis scutatus) two coiled together, highly venomous species. Tasmania, Australia.

Ernie Janes / Tasmanian tiger snake (Notechis scutatus) highly venomous species. Tasmania, Australia.

Jiri Lochman / Western tiger snake (Notechis scutatus subsp. occidentalis) juvenile, Stirling Range National Park, Western Australia, October. Dangerously venomous species.

Martin Willis / Black Tiger Snake (Notechis ater), Tasmania, Australia

Robert Valentic / Chappell Island tiger snake {Notechis ater serventyi} female basking, Mount Chappell Island, Bass Strait, Tasmania, Australia

Robert Valentic / Tasmanian tiger snake {Notechis ater humphreysi} basking on coastal dune, Low Head, Tasmania, Australia