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A critically endangered mammal thought to be extinct in Australia since the last internal-combustion engine age may still exist there , a fresh study suggests .
That guess come from the find that at least one long - beakedechidna , anegg - laying mammalthought to be only in New Guinea , was determine in Australia in 1901 and that native Aborigine population reported seeing the creature more recently . The 1901 specimen , describe in the Dec. 28 issue of the journalZookeys , had been charge and overeat and was lie in a drawer , long blank out , in the Natural History Museum in London .
" What ’s amazing about this study is it all hinge on a single specimen , and it ’s a very well - documented specimen that was collect in 1901 in Australia , " said study co - author Kristofer Helgen , a zoologist at the Smithsonian Institution in Washington , D.C. " It ’s study until 2013 for myself and the squad to really unbury the specimen from the cabinet of the Natural History Museum of London . "
Primitive mammal
Monotremes , which include bizarre little mammals like theduckbill platypus , repose eggs like reptile but feed their babies milk . They may have diverge from all other mammalian as far back as the Triassic Period , which lasted from about 248 million to 206 million years ago . [ Image Gallery : exposure of Bizarre Monotremes ]
While short - beaked echidnas and duckbill platypuses still live in Australia , the long - beaked echidna , the largest egg-laying mammal in the existence , was thought to live only in rainforests of New Guinea . The secretive creature , which can weigh up to 20 pounds ( 9 kilo ) , is listed as critically endangered by the International Union for Conservation of Nature .
Forgotten in a drawer
Scientists roll in the hay the spiny , nocturnal creaturesonce inhabited Australia but thought it died out after the last ice age , between 30,000 and 40,000 days ago , when New Guinea and Australia were one continent , Helgen said .
Helgen said he was visiting the Natural History Museum in London to look at its collections when he happened upon a skinned long - beaked echidna that was neatly tagged with the metal money name and where it was describe .
It turns out that in 1901 , an Australian naturalist named John Tunney shot the anteater on Mount Anderson , a quite a little in a huge , desiccated and sparsely populated region of northwest Australia , while on an despatch for a British gatherer . Tunney , who was trained in taxidermy , stuff and delivered the specimen , which was later bequeathed to the Natural History Museum . There it lay forgotten for a century .
Once they realise the spiny anteater had been spotted in late chronicle , the squad run back to aboriginal community of interests in the West Kimberley region . Some of the cleaning woman call back watching their parents Holman Hunt long - peck echidnas .
" They remember that there used to be an echidna in the area that was much big , and they point to pictures of the modern long - pick echidna from New Guinea , " Helgen told LiveScience .
Still out there ?
The new findings call forth the possibility that the long - pick spiny anteater is still out there in Australia , and scientists should lead an expedition to find it , Helgen said . But the elusive , criticallyendangered creaturesare unmanageable to blot even in New Guinea . They jeopardize out at night , void homo and curl up into a spiky , unidentifiable ball at the first sign of danger , he tell .
The discovery not only point to the grandness of maintaining museum collections , it radically changes the flick of long - beak anteater , say Christopher Norris , a museums medical specialist at the Yale Peabody Museum of Natural History , who was not involved in the survey . The New Guinea rainfall woodland where long - beak echidnas are unremarkably see is dramatically unlike from the stony , arid scrubland of the Kimberley , Norris told LiveScience .
" It overturn our idea about how this finicky animal be , " he said .
