BISON VIDEO: Officials at Yellowstone are saying it is bison mating season and the male bison are very aggressive right now. Remember to keep a distance of 25 yards from all bison and elk and 100 yards from other wildlife. Thanks to Yellowstone National Park for this video. Send us your photos and videos: nbcmontana.com/chimein | NBC Montana

Weighing in at 2,000 pounds of muscle and attitude, male bison battle each other for the privilege of mating with a female. | National Geographic Animals

Bison mating is underway at Yellowstone. Another reason to keep your distance from the animals. https://www.eastidahonews.com/2020/08/yellowstone-issues-warning-with-video-about-how-aggressive-bison-might-be-right-now/ | Nate Eaton - Reporter

Sound on to hear bison bellows! 🔊 Mating season is in full swing at Neal Smith National Wildlife Refuge in Iowa. Bison bulls compete for a chance to mate, making deep vocalizations that echo across the prairie. 🎥 Nancy Corona/USFWS | U.S. Fish and Wildlife Service

Wild Bison Stampede! They stink? 😂 In Yellowstone National Park, the bison herd was meandering slowly down the road when they hit a bottleneck created by the waiting vehicles. Two dominant bulls began to fight at that location. (It is mating season after all.) The brief fight turned the herd around and got them running. Video courtesy of James Holt. #bisonstampede #yellowstonebisonrut #yellowstone #wildbuffalo #yellowstonenationalpark #letbuffaloroam #savetheyellowstonebison #endangeredspecies

Bison Facts: Breeding season is hot and heavy in America righf now! 🦬🇺🇸 🦬 Breeding season typically runs from July - early September 🦬 Biggest and most dominate bull will work the hardest #bison #buffalo #oklahoma #ranchlife #nationalpark #yellowstone #custerstatepark #bull #native #nature #america | Cross Timbers Bison