Common death adder
| Common death adder | |
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A. antarcticus
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| Binomial name | |
| Acanthophis antarcticus Arthur Loveridge, 1948
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| Distribution of the common death adder in Australia | |
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Acanthophis rugosus Loveridge, 1948 |
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The common death adder (Acanthophis antarcticus) is a species of death adder native to Australia. It is one of the most venomous land snakes in Australia and globally. While it remains widespread (unlike related species), it is facing increased threat from the ongoing Australian cane toad invasion.[citation needed]
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Description
The common death adder has a broad flattened, triangular head and a thick body with bands of red, brown and black with a grey, cream or pink belly. It can reach a maximum body length of 70–100 centimetres (2.3–3.3 ft). Death adders possess the longest fangs of any Australian snake. Unlike the common or European adder (Vipera berus), the common death adder is a member of the Elapidae family, rather than the Viperidae family of snakes, which are not found in Australia.[2]
Distribution and habitat
The common death adder occurs over much of eastern and coastal southern Australia – Queensland, New South Wales, Victoria and South Australia. It is more scarce in the Northern Territory, Western Australia and the west parts of South Australia.[2] It is also native to Papua New Guinea.[1]
Common death adders are found in forests, woodlands, grasslands and heaths of the eastern coast of Australia. The death adder is a master of camouflage, due to its band stripes, hiding beneath loose leaf litter and debris in woodland, shrubland and grassland.[2]
Diet
Common death adders eat small mammals and birds as a primary diet. Unlike other snakes, the common death adder lies in wait for its prey (often for many days) until a meal passes. It covers itself with leaves—making itself inconspicuous—and lies coiled in ambush, twitching its grub-like tail close to its head as a lure. When an animal approaches to investigate the movement, the death adder quickly strikes, injecting its venom and then waits for the victim to die before eating it. The death adder is not aggressive and less of a threat to humans.[2]
Reproduction
Unlike most snakes, death adders produce litters of live young. In the late summer, a female death adder will produce a litter of live babies, approximately 3–20, however over 30 young have been recorded in a single litter.[2]
Venom
The common death adder venom contains highly toxic neurotoxin which can cause paralysis or even death. It can deliver the fastest strike among all venomous snakes recorded in Australia. Human death can occur within six hours after the bite.[2]
References
Resources
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