ZME Magazine: Great Barrier Reefs only endemic mammal, the Bramble Cay melomys, is now officially extinct, scientists say. The rat-like rodent occupied a very confined habitat spanning an area no larger than a football field called Bramble Cay, a minuscule atoll in the northeast Torres Strait, Australia. Although pressured by human hunting and competition with other species, what ultimately killed off the species were surging seawaters and rising tides triggered by man-made climate change the first mammalian...