Although humans are blamed for the extinction of the dog-like Australian marsupial some 80 years ago, researchers say its problems may have started more than 70,000 years ago.
(Image credit: Windmill Books/UIG via Getty Images)
Although humans are blamed for the extinction of the dog-like Australian marsupial some 80 years ago, researchers say its problems may have started more than 70,000 years ago.
(Image credit: Windmill Books/UIG via Getty Images)
