Diprotodon optatum was the largest marsupial to ever roam Australia, weighing over two tonnes. We rarely find its whole skeleton preserved in caves because it’s sheer size prevented it from falling through crevices into the oblivion.
Although phylogenetically Diprotodon optatum was closely related to the extant wombat and koala, in terms of its physiology in appearance it was a hulking, intimidating mass not unlike a modern hippo or rhino. It was three metres in length and two metres tall and like tram going down Collins Street (and akin to the warning signs on the street) it was as heavy as this.
It had elephantine legs as thick as tree trunks and broad footpads. Diprotodon optatum was a grazer and a herbivore and so possessed a prodigiously large gut for digesting leaves, along with powerful jaws and stubbly teeth in order to grind up leaves. It subsisted from leaves in a diverse range of environments in Australia however prefered the inland areas and would travel far in search of water.
Although large and imposing in appearance the Diprotodon optatum was not the George Clooney of the megafauna world and had a crumpled and squashed face like a pig after having a head-on collision with a hot dog stand, it had quite prominent flaps on its face and feet turned inwards giving it an awkward pigeon-like appearance. It inhabited Australia at the same time as ancient tribes of Aboriginal Australians, the only true and sustainable human custodians of the continent way back 40,000 years ago. Paleontologists estimate that the Diprotodon optatum went extinct at around 30,000-40,000 years ago due to vast changes in climate and the Last Glacial Maximum otherwise known as the last Ice Age.
Content Catnip 
I think it looks quite cute! Its face reminds me a sloth a little
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Yeah I know hehe 🙂 Somewhere between a sloth, a wombat and a rhino. Seeing as he’s a herbivore I am guessing he would have been super placid and lovely. Who knows with genetic engineering the way it is – they may bring them back.
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reading about megafauna at the moment in the 6th extinction…seen that book?
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That would be one to bring back definitely
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The evidence seems to indicate that the last paragraph of this article is incorrect and that ancient humans are the primary reason for their extinction, not an ice age. They survived for millions of years, through many ice age cycles, many were much more severe than the peaks of the most recent, and those peaks happened roughly 70,000 and 15,000 years ago. Their extinction coincides with the arrival of humans to Australia, and that along with the evidence provided by other extinctions of megafuana (such as the mammoth in specific areas happening in succession as humans moved into their habitats) strongly suggests that humans are the reason for the extinction of the Diprotodon aswell as the other megafuana of Australia.
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Thanks Ian for your insight can you cite a few scienitific papers to provide further information on this if possible?
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