How Did The Megafaunas Disappear

At the time of the megafaunas extinction, Australian vegetation changed and it became more arid. This means for the larger megafauna that they may not have been able to adapt to the drier climate and also their diet as some of the plants that they would normally eat become scarce. If their food sources dried up the effects would have been disastrous. The larger animals required more food and a larger area of food so they most likely would have been the first to