Science & Environment
25-million-year-old fossils reveal bizarre nut-cracking possum and strange toothy wombat
Imagine a vast, lush forest dominated by giant flightless birds and crocodiles. This was Australia’s Red Centre 25 million years ago. There lived several species of koala; early kangaroos the size of possums; and the wombat-sized ancestors of the largest-ever marsupial, Diprotodon optatum (around 2.5 tonnes).