snakes was probably carried south during a period of flooding in the Darling River. The usually dry habitat had become more suitable over the years as water and biodiversity increased due to environmental water. In late 2021, sightings of several of the snakes at Chowilla Game Reserve, near Renmark, in the Riverland region of South Australia were confirmed by the South Australian Museum to be the first seen in South Australia. Behaviour The mud adder inhabits low-lying areas, particularly near sites subjected to seasonal flooding. It feeds mainly on frogs, and ambush their prey. They are nocturnal in warm weather, and inhabit soil cracks. The mud adder gives birth to fully formed young with an average total length (including tail) of . A litter consists of three to 11, five on average, baby snakes. Conservation status The mud adder's conservation status is that of least concern on the IUCN Red List and under Queensland's Nature Conservation Act 1992. References Further reading Cogger HG (2014). Reptiles and Amphibians of Australia, Seventh Edition. Clayton, Victoria, Australia: CSIRO Publishing. xxx + 1,033 pp. . Waite ER, Longman AH (1920). "Descriptions of Little-known Australian Snakes". Records of the South Australian Museum 1 (3): 173-180. (Denisonia maculata var. devisi, new name, pp. 178–179). Wilson S, Swan G (2013). A Complete Guide to Reptiles of Australia, Fourth Edition. Sydney: New Holland Publishers. 522 pp. . External links Denisonia Snakes of Australia Reptiles of New South Wales Reptiles of Queensland Reptiles of Victoria (Australia) Endemic fauna of Australia Reptiles described in 1920 Taxa named by Albert Heber Longman Taxa named by Edgar Ravenswood Waite