Philippe Clement / Wood sanicle (Sanicula europaea) in flower, Belgium, April.

Martin Willis / Tiger Snake (Notechis scutatus), Traralgon, Victoria, Australia

Martin Willis / Tiger Snake (Notechis scutatus), Traralgon, Victoria, Australia

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

Martin Willis / Tiger Snake (Notechis scutatus) biting shoe after being stepped on, Traralgon, Victoria, Australia

Roland Seitre / Roberto Bolanos, snake keeper, handling a captive Tiger Snake (Notechis scutatus) used for extracting venom for study and to make anti-venom. Australian Reptile Park, Gosford, New South Wales.

Roland Seitre / Roberto Bolanos, snake handler, with Tiger Snake (Notechis scutatus). Venom will be extracted from the snake for medical and research purposes. Australian Reptile Park, Gosford, New South Wales.

Steven David Miller / Tiger snake (Notechis scutatus) moves through the undergrowth of the temperate rainforest of Franklin-Gordon Rivers National Park in Tasmania. Australia

James Brickell / Blind Tiger Snake (Notechis scutatus) and Silver Gull (Chroicocephalus novaehollandiae) on Carnac Island, Perth, Western Australia. A proportion of the tiger snakes on the island (including this one)...

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

Robert Valentic / Eastern tiger snake {Notechis scutatus} male alerted by movement as it basks on edge of swamp, Warburton, Victoria, Australia

Robert Valentic / Chappell Island tiger snake {Notechis ater serventyi} sub-adult male basking on dunes, Mount Chappell Island, Bass Strait, Tasmania, Australia