Fully recovering Australia's threatened species would cost 25% of GDP. We can't do it all at once--so let's start here / Research reveals cost to recover Australia's threatened species / About 9,000 species have already gone extinct in Australia and we'll likely lose another this week--new study / Citizen scientists can help save Australia's threatened species if given more direction / It looks like a cross between a koala and a possum - and it's in big trouble, Australian conservationists say / Pig-nosed turtle and Pugh's frog among new species added to Australia's endangered species list / Ecologists reconstruct history of biodiversity in Indo-Australian archipelago and its rise as a hotspot / 'Only hope we've got': the audacious plan to genetically engineer Australia's endangered northern quoll / Researchers: Australians would rather save a single human life than prevent an entire species from becoming extinct