For a long time, the overall consensus has been that mammalian megafauna – giant mammals that roamed the Earth in the past, including species like mammoths, giant sloths and sabertoothed tigers ...

Now researchers are heading to New Guinea where they hope to describe another giant kangaroo. Uno scheletro ... un mistero vecchio 150 anni sulla megafauna. I canguri giganti, noti come ...

a giant that may have stood over 6 feet tall and weighed over 440 pounds. The cause of kangaroo extinction is a hotly debated topic, and one which is likely to remain hotly debated for some time.