Robert Valentic / Barkly Death Adder (Acanthophis hawkei) aged 11 months. Captive bred, both parents from Anthony Lagoon on the Barkly Tableland in the Northern Territory, Australia.

Robert Valentic / Barkly death adder (Acanthophis hawkei) juvenile, Barkly Stock Route, Northern Territory, Australia. May.

Roland Seitre / Death Adder (Acanthophis antarcticus) being milked. Venom is extracted from the snake for medical and research purposes. Australian Reptile Park, Gosford, New South Wales.

Roland Seitre / Death Adder (Acanthophis antarcticus) being prepared for milking. Venom will be extracted from the snake for medical and research purposes. Australian Reptile Park, Gosford, New South Wales.

Peter Nearhos / John Downer Pr / Australian Death adder lures its prey by waving the tip of its tail like a writhing grub (Resolution restriction - image digitised from film, 'Weird Nature' tv series)

Etienne Littlefair / Floodplain death adder (Acanthophis hawkei), Adelaide River floodplain, Northern Territory, Australia, February.