B & T Photography:
yellow-bellied marmot, Marmota flaviventris, Rockchuck
B & T Photography:
Firehole Spring
B & T Photography:
An American Bison exuding steam in the early morning
B & T Photography:
elk, Cervus canadensis, wapiti,
B & T Photography:
Silex Spring
B & T Photography:
Opal Pool,
B & T Photography:
Opal Pool,
B & T Photography:
Old Faithful erupting
B & T Photography:
Grand Prismatic Spring
B & T Photography:
violet green swallow, Tachycineta thalassina,violet-green swallow
B & T Photography:
Bighorn sheep, Ovis canadensis
B & T Photography:
Mammoth Hot Springs
B & T Photography:
Mammoth Hot Springs
B & T Photography:
Coyote hunting in a flowered Lamar Valley meadow
B & T Photography:
blue flag iris, Iris versicolor,
B & T Photography:
chipmunk,
B & T Photography:
American Bison, Bison bison
B & T Photography:
Bison at sunset in Hayden Valley
B & T Photography:
An American Bison exuding steam in the early morning
B & T Photography:
Red Fox, Vulpes vulpes,
B & T Photography:
Bison at sunset in Hayden Valley
B & T Photography:
elk, Cervus canadensis, wapiti,
B & T Photography:
Bison herd
B & T Photography:
American black bear, Ursus americanus
B & T Photography:
Sunset over the Hayden Valley
B & T Photography:
A morning mist rises from the Yellowstone River at sunrise
B & T Photography:
Old Faithful erupting
B & T Photography:
Grand Prismatic Spring
B & T Photography:
Anemone Geyser
B & T Photography:
Yellowstone Association Institute