BILLINGS – A lack of heavy snow has meant a lean winter for Yellowstone National Park’s wolves, according to the crews that annually monitor the park’s packs.

Taylor Rabe Bland, Yellowstone Forever biological science technician, examines 1488M's paw. A wolf's large feet help it stay atop the snow in winter. Jacob W. Frank/NPS ...

MAMMOTH HOT SPRINGS, Wyo. (KIFI) – Yellowstone National Park’s winter season begins Friday, Dec. 15. Annually from mid-December until mid-March, visitors can travel most of the park’s roads ...