Record number of Yellowstone wolves shot after roaming outside park

Twenty animals hunted in recent months, the most in a season since the animals' reintroduction to the area

Twenty of Yellowstone national park's renowned gray wolves roamed from the park and were shot by hunters in recent months - the most killed by hunting in a single season since the animals were reintroduced to the region more than 25 years ago, according to park officials.

One pack - the Phantom Lake pack - is now considered eliminated" after most or all of its members were killed over a two-month span beginning in October, according to the park.