Little is known about why the woolly rhinoceros went extinct around 14,000 years ago. Scientists have found clues in the frozen remains of an ice age wolf.
On the vast expanse of the Siberian steppe 14,000 years ago, a 2-month-old wolf pup gobbled down some woolly rhinoceros flesh. Moments later, its underground den collapsed, killing the pup and its sister.
The wolf’s stomach contents, frozen in permaf... [6054 chars]