petechar: Bison and Mount Washburn
petechar: Bison at Sunset - Yellowstone
petechar: Hayden Valley, Yellowstone
petechar: Bison - Yellowstone
petechar: Bison Herd - South Dakota
petechar: “Coming Through”
petechar: Bison on Road
petechar: Bison Crossing Lamar River
petechar: American Bison - Yellowstone
petechar: Winter Bison Jam - Yellowstone
petechar: Bison in the Mist
petechar: Bison and Steam
petechar: American Bison - Ladder Ranch, New Mexico
petechar: Bison by Alum Creek
petechar: American Bison feeding in winter - Yellowstone
petechar: Bison in Winter - Yellowstone
petechar: American Bison - Wyoming
petechar: American Bison - Yellowstone
petechar: American Bison - Utah
petechar: Bison after Dust Bath
petechar: American Bison Bull #1 - South Dakota
petechar: Bison detail
petechar: American Bison Bull #2 - South Dakota
petechar: American Bison Portrait - Wyoming
petechar: Bison
petechar: Bison Portrait - Wyoming
petechar: Bison Lick