Meet the King of Kangaroos: Procoptodon Goliah 👑🦘 Modern kangaroos are cool, but they have nothing on this prehistoric heavyweight. This is the Procoptodon, also known as the "Short-faced Kangaroo." Standing over 2 meters (6.5 ft) tall and weighing nearly 240kg, it was the largest kangaroo to ever exist! If you look closely at the video, you’ll notice its face is much flatter than a modern roo. This gave it better depth perception and strong chewing muscles for crunching through tough leaves i