The kangaroos, which died out 40,000 years ago, were up to twice the size of the biggest kangaroos alive today.


  1. The findings are based on the discovery of several complete fossil skeletons.
  2. Palaeontologists discovered the fossils at Lake Callabonna in southern Australia.
  3. The kangaroos were even more muscular than those we see today.
  4. One species weighed up to 170 kilograms.