More than 50,000 years ago, Australia was a giant bird, one of whom was known as Mihirunga or “badton birds”, six times more than the modern trench, 250 kilograms more than 2 metres more. However, staggering birds disappeared some 45,000 years ago, and researchers have been confusing whether they are human hunting or climate change. Trevor Worthy, an analysis of ancient eggs (remitters) at the University of Flindez, said that “human responsibility for this is incumbent upon”. The results have...