Snowmobiles

SNOW MOBILES - Crossing Yellowstone National Park

Snowmobiles - in snow

Snowmobile - in snow

American Bison - in snow - with snowmobiles

COYOTE - standing on snow covered road, watching snowmobiles

Selkup on snow-bike, North Siberia

Tracking Polar Bears

Hunters - on snowmobiles, tracking polar bear through

Polar Bear - female protects her young, guarding

Polar Bear viewing truck - with Polar Bears