Stacked pile of cast elk horns at the National Bison Range in Montana, USA Stock Photo - Alamy

National Bison Range Wildlife Refuge Rolling prairie hillsides folded with scattered forest margins Stock Photo - Alamy

Bison in montana hi-res stock photography and images - Page 10 - Alamy

Young Male Elk with Horns National Bison Range Charlo Montana Stock Photo - Alamy

Pile of bleached elk antlers at the National Bison Range in Montana, USA Stock Photo - Alamy

Bison in montana hi-res stock photography and images - Page 10 - Alamy

National Bison Range, Montana, USA. Shy-looking Mourning Dove soaking up the early morning sunshine, sitting on a rock Stock Photo - Alamy

National Bison Range, Montana, USA. Bison starting to stand up in a dust wallow Stock Photo - Alamy

National Bison Range, Montana, USA. Bison starting to stand up in a dust wallow Stock Photo - Alamy

Elk Horns Pile National Bison Range Charlo Montana Stock Photo - Image of wildlife, park: 7530678

310+ National Bison Range Montana Stock Photos, Pictures & Royalty-Free Images - iStock

National Bison Range, Montana, USA. Two bison resting in a meadow Stock Photo - Alamy