Yellowstone Winter Survival: Bison Matriarch Rams RV to Protect Calves Lamar Valley, Wyoming – January 15, 2026 A terrifying encounter at a snow-covered Yellowstone campsite was captured by a stationary trail camera, showing the raw power of a 2,000-pound American Bison. The footage begins with a camper loading gear into the rear of his RV, unaware that a mother bison and her two young calves were grazing just behind his vehicle. Sensing a threat to her offspring, the matriarch launched a full-s

Bison mating season is still going on in the park. Male bison are particularly aggressive right now, though all bison and other wildlife can be dangerous. Remember to always keep your distance—25 yards from bison and elk; 100 yards from all other wildlife. #Yellowstone #NationalPark #WhatWildlifeDoWednesday #Bison | Yellowstone National Park