Two features unite them: a generally large body size and being extinct. By 40,000 years ... the rhino-sized marsupial Diprotodon, marsupial lions and many others. The cause of this extinction ...

after being presumed extinct for over a century. Lead author Dr. Tony Friend from DBCA said the paper represented a crucial milestone in our understanding of this extremely rare marsupial.

"We had this marsupial that was the size of a rhino," Arman says. "We had a marsupial lion. We had all sorts of crazy things." Then, about 40,000 to 65,000 years ago, most of these large animal ...

"We had a marsupial lion. We had all sorts of crazy things." Then, about 40,000 to 65,000 years ago, most of these large animal species went extinct, including all of the short-faced kangaroos and ...