Mule Deer fawn near the Lake Lodge on Lake Yellowstone.

Pair of Mule Deer fawns near the Lake Lodge on Lake Yellowstone.

Mule Deer fawn near the Lake Lodge on Lake Yellowstone.

Two young bison bulls sparring in Hayden Valley.

Bull bison feeding near the Grand Canyon of the Yellowstone.

Bull bison feeding near the Grand Canyon of the Yellowstone.

Bull elk feeding near the Canyon Lodge area.

Pair of bull elk feeding near the Canyon Lodge area.

Pair of young bull elk resting on an island in the middle of the Firehole River.

Sunrise over Lake Yellowstone.

Sunrise over Lake Yellowstone.

Stand-off between buck mule deer and cow elk (with calf nearby).

Morning Glory Pool in the Upper Geyser Basin.

Old Faithful.

Bull elk.

Bull elk feeding near the Canyon Lodge area.

Bull elk feeding near the Canyon Lodge area.

Yellowstone Falls

Grand Canyon of the Yellowstone (just below Yellowstone Falls).

Brian with Yellowstone Falls in the background.

Linda and Brian with Yellowstone Falls in the background.

Randy, Linda and Brian with Yellowstone Falls in the background.

Linda with Yellowstone Falls in background.

Bull bison walking down the roadway with a "buffalo jam" behind them.

Bison in the early morning fog in Hayden Valley.

Bison in the early morning fog in Hayden Valley.

Bison herd in Hayden Valley.

Randy with "fish on" in the Yellowstone River. Brian watching.

Randy with Yellowstone Cutthroat Trout in the Yellowstone River.

The patch of green amongst the devastation near Cub Creek.

Coyote (with radio collar) in the Lamar Valley.

Coyote in the Lamar Valley.

Brian and Randy rigging up to fish in Slough Creek.

Linda amongst yellow wildflowers.

Black bear foraging near Petrified Tree.

Black bear foraging near Petrified Tree.

Black bear foraging near Petrified Tree.

Trumpeter swans on Swan Lake.

Cow moose resting in the Snake River.