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A remarkable fossil discovery in Victoria, Australia, has revealed that giant echidnas once roamed the region. The Owen's giant echidna, Megalibgwilia owenii, lived during the Pleistocene epoch, which began 2.5 million years ago.The fossil, discovered in the Buchan cave complex in East Gippsland, is a significant find, as it fills a 1,000km gap in the species' known distribution. Previously, specimens of the extinct monotreme had been found across Australia, from Western Australia to Tasmania, but mysteriously absent from the fossil record in Victoria.The Owen's giant echidna was about twice the size of Australia's modern echidnas, growing up to 1 metre long and weighing up to 15kg. Its skeleton is much more robust than that of comparably sized animals, with deeper, more prominent muscle scars and larger attachments for ligaments, indicating it was using much greater force when interacting with the landscape.According to Tim Ziegler, the collection manager of vertebrate palaeontology at the Museums Victoria Research Institute, the fossil was likely used for digging for buried larvae, larger prey of beetles, or bogong moths, or tearing tree bark to access food.The research, published in Alcheringa: An Australasian Journal of Palaeontology, provides new insights into the distribution and habitat of the Owen's giant echidna during the ice age.

The quest to find Australia's oldest playable musical instrument has led to the discovery of several remarkable pieces. A 16th-century double bass crafted by Gasparo da Salò, a renowned luthier, has been found to be one of the oldest playable instruments in the country. Currently on loan to Max Bibeau, principal double bass for the Australian Chamber Orchestra (ACO), this instrument was made around 1580 in Brescia, Italy. Only a handful of such instruments exist globally, and Bibeau's relationship with the double bass was not immediate. He notes that it took considerable time and effort to 'wake it up' and make it playable again. The instrument had been stored in an abbey in northern Italy for centuries before being discovered by German bass player Prof Günter Klaus in the late 1960s. Culturally, the yidaki (didgeridoo), a sacred instrument to the Yolŋgu people, is likely Australia's oldest instrument, with a history spanning thousands of years. For an exhibition in 2017, curators at the South Australian Museum worked with Yolŋgu community members to restore a selection of the oldest and most unique yidaki to playing condition. The oldest restored yidaki was made around 1890. Another contender for the oldest instrument is a piano from the First Fleet, a 'square' piano made by Frederick Beck in 1780. This instrument, now housed at the Western Australian Academy of Performing Arts, has a softer and smaller sound compared to modern pianos. The oldest instrument found in Australia is an ocarina from Colombia, estimated to have been made around AD 1200. This ancient vessel flute is part of a collection of 830 musical instruments donated to the Queensland Museum. While it can produce a sound, its original sound and playability are uncertain due to its fragility and age. The wood used for the front of Bibeau's da Salò bass has been dated to a tree growing as early as 1266. According to Bibeau, age can enhance an instrument's sound, but it requires careful preservation and play to maintain its quality. He notes that 'instruments need to be played' and that 'the more it vibrates, the better it vibrates.'