Dog Sized Rat

Now researchers have discovered fossils from rat ancestors that grew to be as big as 11 pounds -- the size of a small dog.

Archaeologists with the Australian National University (ANU) have discovered fossils of seven giant rat species on East Timor in Southeast Asia with the largest up to 10 times the size of modern rats.

Now researchers have discovered fossils from rat ancestors that grew to be as big as 11 pounds -- the size of a small dog.

Archaeologists with the Australian National University (ANU) have discovered fossils of seven giant rat species on East Timor in Southeast Asia with the largest up to 10 times the size of modern rats.