Bison Bull I
Close up of bull Bison.
Bison Bull II
Young bull bison shedding heavy coat.
Small part of larger herd crossing Alum creek.
Mature bull bison taking a break from the fall rut to hydrate.
Bugling Bull I
Bull bison bugling in Hayden Valley.
Bath and Music
Bull bison bugling and taking a dust bath during fall rut.
Bull bison trying to entice female during fall rut.
Bull Bison bugling during fall rut.
Bison Bull III
Bull Bison near Elk Antler Creek.
Bull Bison serenading cow.
Sweet Talking II
Bull Bison courting a female cow.
Papa Sang Bass
bull Bison bugling in Hayden Valley.
Bull Bison serenading female cow.
Calf and Cow
Calf and cow grazing upper hills of Hayden Valley.
Dust Bath I
Bison bulls taking dust baths on bank of Yellowstone River.
Dust Bath II
Bull Bison bugling over Hayden Valley during the fall rut.
Catching a Scent
Bull Bison catching a scent during fall rut.
Bison covered in frost from night near thermal geyser.
Make it a Double
Bull Bison drinking in geyser basin area of west Yellowstone.
Bison out for a stroll before sunset.
Bison in sunrise glow.
Tight Shot I
Tight Shot II
Tight Shot III
Tight Shot IV
Wet Crossing I
Herd crossing Yellowstone River in Hayden Valley.
Wet Crossing II
Wet Crossing III
Wet Crossing IV
Wet Crossing V
Wet Crossing VI
Wet Crossing VII
Wet Crossing VIII
Wet Crossing IX
Wet Crossing X
Photos © 2000 - 2015 Peter Gentes. All Rights Reserved.