A bull bison walks across Swan Lake Flat on a summer dayby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038015/photo-image-tree-plantFree Image from public domain license
Bison with Specimen Ridge Backdrop by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038616/photo-image-tree-plantFree Image from public domain license
A group of bison cows with their newborns by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038582/photo-image-elephant-horseFree Image from public domain license
Bighorn sheep ramsTwo bighorn sheep rams on cliff above Soda Butte Creek by Jim Peaco. Original public domain image from… https://www.rawpixel.com/image/4038216/photo-image-animal-public-domainFree Image from public domain license
Fall morning at Elk Tongue Patrol Cabin by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038512/photo-image-light-tree-plantFree Image from public domain license
Pronghorn bucksTwo pronghorn bucks in Lamar Valley by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4039147/photo-image-animal-public-domainFree Image from public domain license
Cow elk pass by glacial erratics near Junction Butte by Jim Peaco. Original public domain image from Flickr https://www.rawpixel.com/image/4038222/photo-image-bird-dogFree Image from public domain license
Wolves feed on a bison carcass at Blacktail Ponds by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038200/photo-image-bird-dogFree Image from public domain license
Mule deer buck and Roosevelt Archby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038489/photo-image-person-fallFree Image from public domain license
Bull elk grazing along the Yellowstone River by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038107/photo-image-animal-public-domainFree Image from public domain license
Bison in the road near Norris Geyser Basin Overlook by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4226077/photo-image-public-domain-tree-plantFree Image from public domain license
Bison grazing near the North Entrance on a spring morningby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038592/photo-image-plant-nature-grassFree Image from public domain license
Bull elk in springBull elk losing winter fur with velvet antlers near Phantom Lake by Jim Peaco. Original public domain… https://www.rawpixel.com/image/4039127/photo-image-plant-animalFree Image from public domain license
Cow moose in willows along Soda Butte Creek by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4038944/photo-image-animal-public-domainFree Image from public domain license
Bull elk at Mammoth Hot Springs by Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038351/photo-image-tree-plant-lionFree Image from public domain license
Bighorn sheep ram feeding on hillside by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4039156/photo-image-animal-public-domainFree Image from public domain license
Bull elk with velvet on growing antlers by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4039136/photo-image-animal-public-domainFree Image from public domain license
Bull moose near Pebble Creekby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038523/photo-image-landscape-horseFree Image from public domain license
Bull elk sleeping in spring by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4039266/photo-image-animal-public-domainFree Image from public domain license
Cinnamon black bear near Mammoth Hot Springs by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4038298/photo-image-plant-forestFree Image from public domain license