Megafauna Extinction Mystery: Size Isn't Everything
Published:26 Apr.2021    Source:Flinders University

Ancient clues, in the shape of fossils and archaeological evidence of varying quality scattered across Australia, have formed the basis of several hypotheses about the fate of megafauna that vanished about 42,000 years ago from the ancient continent of Sahul, comprising mainland Australia, Tasmania, New Guinea and neighbouring islands.

 
There is a growing consensus that multiple factors were at play, including climate change, the impact of people on the environment, and access to freshwater sources.