Bighorn sheep ewes
Three bighorn sheep in the road in the far North of Yellowstone National Park.
Bald Eagle
Bald eagle perched above the Yellowstone River in Yellowstone National Park.
Coyote feeding on a bison carcass.
Coyote feeding on a winter killed bison carcass in Yellowstone National Park.
Mountain Bluebird
Male mountain bluebird perched on a branch in Yellowstone National Park.
Bison in winter
Bison in Yellowstone National Park at -25 F below zero.
Red Fox
Red fox in Yellowstone National Park.
Frost covered plants
Cow parsnip stems covered with frost on a subzero day in Yellowstone National Park.
Bloody Coyote
Bloody coyote leaving the area after a brawl with several other coyotes in Yellowstone National Park.
Bighorn rams
Bighorn Rams in Yellowstone National Park.
Wolf near the road
Grey wolf from the Wapiti Lake Pack getting ready to cross the road in Yellowstone National Park.
Red fox pounce
Red fox pouncing for rodents in Yellowstone National Park.
Contemplative fox
Fox staring into the sky in Yellowstone National Park.
Cinnamon Black Bear Cubs
Cinnamon Black Bear Cubs in Yellowstone National Park.
Wolf pups
Two black wolf pups from the Junction Butte Pack in Yellowstone National Park.
Cinnamon Black Bear Cub
Cinnamon Black Bear Cub in Yellowstone National Park.
Bighorn sheep Lambs
A line of bighorn lambs traverses a steep hillside in Yellowstone National Park.
Elk Calf
Elk calf in Yellowstone National Park.
Pink Fairy Slipper Orchids
Pink Fairy Slipper Orchids blooming in early summer in Yellowstone National Park.
Elk calf and mother give each other a kiss
Elk calf and mother nuzzle in Yellowstone National Park.
Yellow-bellied marmot
Marmot peering out of an old tree stump in Yellowstone National Park.
Bitterroot
Bitterroot flower in Yellowstone National Park.
Grizzly Bear
Grizzly bear walking down the Yellowstone River in Yellowstone National Park.
Male Dusky Grouse
Male dusky grouse booming for mates in Yellowstone National Park
Yellow-headed blackbird
Yellow-headed blackbird male calling to defend territory in elrly summer in Yellowstone National Park.
Bison calf
Bison calf kicking the air as it plays in Yellostone National Park.
Mother and calf bison
Calf bison hides beside mom in Yellowstone National Park.
White-tailed Jackrabbit
Jackrabbit in Yellowstone National Park.
Harlequin Ducks
Harlequin Ducks on the Yellowstone River in Yellowstone National Park.
Grand Geyser
Grand Geyser erupting in Yellowstone National Park.
Mule deer
Mule deer females in Yellowstone National Park.
Castle Geyser
Castle Geyser erupting in Yellowstone National Park.
Northern Flicker
Northern flicker perced near the Upper Geyser Basin in Yellowstone National Park.
Bison running
Bison running down a steep river bank along the Lamar river in Yellowstone National Park
Sunset over Bunsen Peak
Sunset over Bunsen Peak in Yellowstone National Park.
View over Mammoth Hot Springs from Mt. Everts
View over Mammoth Hot Springs from Mt. Everts in Yellowstone National Park.
Bull elk herding females
Bull elk herding his harem in Yellowstone National Park
Pronghorn buck
Pronghorn buck in Yellowstone National Park during the mating season.
Bull bison at sunrise
Bull bison at sunrise during mating season in Yellowstone National Park.
