Scientists in June 2016 declared Bramble Cay melomys found only on a tiny island on the Great Barrier Reef as extinct.
It is the first recorded extinction of a mammal anywhere in the world thought to be primarily due to human-induced climate change.
The news was revealed in the report of a survey led by Ian Gynther from Queensland’s Department of Environment and Heritage Protection in partnership with the University of Queensland.
Key points of the report
• The root cause of the extinction was reported to be high tides and surging seawater, which has travelled inland across the island.
• As a result of rising seas, the island was inundated on multiple occasions killing the animals. The rising seas also destroyed their habitat.
About Bramble Cay melomys
• The Bramble Cay melomys are also known as Australian Great Barrier Reef rodent or Bramble Cay mosaic-tailed rat.
• It was a species of rodent in the family Muridae.
• It was similar to the Cape York melomys except that it had some protein differences and a coarser tail caused by elevated scales.
• It was prominent in herdfields and strandline vegetation where it built burrows.
• It was Australia's most isolated mammal.
• The Bramble Cay melomys was first discovered by Europeans in April 1845.
• The species was then apparently in high densities.
• It was not until the first part of the following century that the species was formally described as Melomys rubicola based on a specimen collected by MacGillivray.
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Who: Bramble Cay melomys
What: Declared extinct
When: June 2016
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