No singular factor can explain the extinction of megafauna across all of Australia and New Guinea. Scientists now look for extinction evidence within each region of the continent. They are looking for evidence of:
Research, led by Queensland Museum, has focused on the extinction of megafauna from the Fitzroy River basin of central eastern Queensland. Their studies focus on the rich fossil record discovered at Mt. Etna Caves National Park, Capricorn Caves and South Walker Creek Mine.
41,000-36,000 years ago.