11 Most Dangerous Animals in Yellowstone That Rangers Warn You About

Every year, millions of people visit Yellowstone and quietly decide the distance rules are for someone else. The injury data says otherwise. Since 1980, bison have injured more visitors than any other animal in the park. The peer-reviewed journal Human-Wildlife Interactions documented 25 bison injuries between 2000 and 2015 alone, and the gorings continue, including an 83-year-old woman lifted off the ground by a bison in 2024. Grizzlies are responsible for seven of the eight bear-caused deaths in Yellowstone's recorded history, yet 75 percent of fatal bear attacks involved men and 88 percent happened in groups of fewer than three. Wolves, by contrast, have not injured a single person since their 1995 reintroduction, across roughly 120 million visitor days. The only venomous snake in the park, the prairie rattlesnake, has bitten just two people in over 150 years. This video ranks eleven species that appear on the park's official safety guidance, from the animals that have killed to the ones that never have, and explains why the visitors who get hurt are so often the experienced ones. In 2023, rangers issued 63,676 wildlife warnings. Familiarity is not protection. It is exposure. #Yellowstone #YellowstoneNationalPark #Wildlife #WildlifeSafety #Bison #GrizzlyBear #Wolves #NationalParks #Bears #Elk #MountainLion #Moose #Coyote #Rattlesnake #NPS #Wyoming #BearSafety #WildAnimals #NatureDocumentary #Survival DISCLAIMER: ⚠️ This video is for educational and informational purposes only. It is not a substitute for official park safety guidance. Always follow National Park Service regulations and keep the required distance: 25 yards (23 m) from bison, elk, moose, deer, and bighorn sheep, and 100 yards (91 m) from bears and wolves. ℹ️ Every figure and incident in this video is drawn from published sources, including the National Park Service (NPS), the U.S. Geological Survey (USGS), the peer-reviewed journal Human-Wildlife Interactions, CBS News, Newsweek, Outside Online, Forbes, ResearchGate, and regional news outlets. Full source list below. SOURCES Overall injury data and park safety https://www.nps.gov/yell/planyourvisi... https://www.nps.gov/yell/learn/nature... https://digitalcommons.usu.edu/hwi/vo... https://www.newsweek.com/most-dangero... https://www.discoverwildlife.com/anim... Bison https://www.yellowstonepark.com/thing... https://www.nps.gov/yell/learn/news/2... https://www.researchgate.net/figure/N... https://www.cbsnews.com/news/bison-go... https://www.outsideonline.com/outdoor... https://www.islands.com/1982706/yello... Grizzly and black bears https://www.yellowstonepark.com/thing... https://www.yellowstonepark.com/thing... https://www.nps.gov/articles/yell-wil... Elk https://www.nps.gov/yell/learn/news/2... https://www.foxweather.com/earth-spac... https://www.yellowstone.org/sound-the... Wolves https://www.ksl.com/article/46742667/... https://yellowstoneinsider.com/2009/0... https://mountainjournal.org/myth-bust... Mountain lion https://www.nps.gov/yell/learn/nature... Coyote https://www.newsweek.com/coyote-bites... https://www.spokesman.com/stories/202... https://pubmed.ncbi.nlm.nih.gov/11990... Prairie rattlesnake https://www.nps.gov/yell/learn/nature... https://www.yellowstonepark.com/thing... https://www.nps.gov/yell/learn/nature... Bighorn sheep https://www.nps.gov/yell/learn/nature... https://yellowstone.net/bighorn-sheep/ Deer https://www.nps.gov/yell/learn/nature... Hot springs (context) https://www.usgs.gov/observatories/yv... https://www.outsideonline.com/outdoor... https://www.yellowstonepark.com/thing... https://buckrail.com/yellowstone-enco... https://trophiccascades.forestry.oreg... Moose https://www.yahoo.com/news/see-moose-...