Yellowstone National Park, a sprawling wilderness of geysers, hot springs, and wildlife, is home to one of America’s most iconic species: the bison. These massive creatures, often called buffalo, roam the park’s valleys in herds, captivating millions of visitors each year with their raw power and timeless presence. Yet, beneath their seemingly docile exterior lies a wild, unpredictable nature that can turn dangerous in an instant. Yellowstone bison attacks, such as the alarming 2024 incident where an 83-year-old woman from Greenville was gored, underscore the risks of getting too close to these animals. Such encounters often arise from tourists underestimating bison or ignoring park guidelines, sometimes with life-altering consequences.
The stakes are further complicated by ongoing debates over bison management, as seen in the Yellowstone bison herd lawsuit, which questions how park policies influence human-wildlife interactions. This legal battle highlights the delicate balance between preserving bison populations and ensuring visitor safety. In this article, we’ll explore notable bison attack incidents, delve into the behavioral triggers behind these events, and provide actionable safety tips to ensure your Yellowstone visit is both thrilling and secure. By understanding bison behavior and respecting their space, visitors can enjoy these majestic animals while minimizing risks.
Notable Bison Attack Incidents in Yellowstone
Bison attacks in Yellowstone are infrequent but can have severe consequences, often making headlines due to their dramatic nature. The most notable Yellowstone national park bison incident of 2024 occurred in June near the Storm Point trail, where an 83-year-old Greenville woman was gored by a bison. According to the National Park Service (NPS), the woman gored by bison in Yellowstone National Park approached within 10 feet of the animal to take a photograph, prompting the bison to charge. She sustained serious injuries, including abdominal wounds, and was airlifted to a hospital in Idaho Falls. This incident, classified as a woman attacked by bison in Yellowstone 2024, sent shockwaves through the park community, renewing calls for stricter adherence to safety guidelines.
This wasn’t an isolated case. In 2022, a 25-year-old woman was tossed 10 feet into the air after crowding a bison for a selfie near Old Faithful, suffering puncture wounds. Another incident involved a family ignoring warnings to stay back, resulting in a bison charging and narrowly missing a child. A viral video by wildlife photographer Cindy Shaffer captured a tourist taunting a bison in Lamar Valley, only to flee as the animal lunged. NPS data indicates that bison attacks occur when Yellowstone tourists get too close, with 1-2 gorings reported annually over the past decade. These incidents often stem from a lack of awareness or disregard for the 25-yard distance rule.
The frequency and severity of these encounters are influenced by park management decisions, such as where bison are allowed to roam and how their populations are controlled. The Yellowstone bison herd lawsuit addresses these issues, arguing that current policies may concentrate bison in high-traffic areas, increasing the likelihood of human-wildlife conflicts. Learn more about this legal battle in our cornerstone article, Yellowstone Bison Herd Lawsuit – Legal Battle, which explores how management practices shape the park’s ecosystem and visitor safety.
Why Do Bison Attack? Understanding Their Behavior
To prevent Yellowstone bison encounters from turning dangerous, it’s crucial to understand why bison attack. Despite their lumbering appearance, bison are wild animals, capable of unpredictable behavior. Weighing up to 2,000 pounds and able to sprint at 35 miles per hour, they are among the park’s most formidable residents. So, are bison in Yellowstone dangerous? Not inherently, but they become a threat when provoked or stressed.
Bison typically charge when they feel threatened, are protecting their young, or are startled by humans breaching their personal space. The NPS mandates a minimum distance of 25 yards, yet many incidents involve tourists approaching much closer, often for photos or videos. During the rutting season (July to August), male bison are particularly aggressive, competing for mates and reacting swiftly to perceived threats. This period sees a spike in attacks, as tourists may unknowingly wander into tense situations.
Tourist behavior plays a significant role in provoking charges. Yellowstone tourists unwisely approach bison, causing them to charge when they crowd, shout, or taunt the animals. In one 2023 incident, a visitor threw a stick at a bison, prompting a charge that scattered a crowd. Such actions not only endanger individuals but also stress bison, potentially altering their behavior over time. Habitat constraints and population dynamics further complicate the issue. As explored in our post on Yellowstone Bison Population Management, high bison numbers and limited grazing areas can lead to more frequent encounters in popular areas like Hayden Valley, where bison and tourists often cross paths.
Environmental factors, such as drought or food scarcity, may also make bison more irritable, especially in late summer. By respecting bison as wild animals and recognizing their triggers, visitors can significantly reduce the risk of dangerous encounters.
Pull Quote: “One wrong step can lead to a Yellowstone bison attack, as seen in 2024.”
Safety Tips: How to Avoid Bison Attacks in Yellowstone
Preventing Yellowstone bison gorings begins with education and adherence to NPS guidelines. The cornerstone of Yellowstone bison safety is maintaining a minimum distance of 25 yards from bison at all times—roughly the length of two school buses. Use binoculars or a zoom lens for photography, and never approach bison, even if they appear calm. Stick to designated trails and boardwalks, especially in high-traffic areas like Lamar or Hayden Valleys, where bison often congregate.
Recognizing warning signs is critical. A bison raising its tail, pawing the ground, huffing, or shaking its head is signaling discomfort or agitation. If you notice these behaviors, back away slowly without turning your back. If a bison charges, seek cover behind a tree, boulder, or vehicle, as running can trigger a chase. NPS reports emphasize that most Yellowstone bison gorings result from tourists ignoring safety rules, with over 80% of incidents linked to visitors approaching within 25 yards.
Timing and location matter. Avoid bison-heavy areas during the rutting season or at dawn and dusk, when animals are most active. Crowded spots like the Grand Loop Road can be risky, as bison may feel cornered by vehicles and pedestrians. For a safer experience, consider joining ranger-led programs or guided wildlife tours, which provide expert guidance and minimize risks. Our guide to Best Places to See Bison in Yellowstone offers specific locations, such as the Firehole River area, where you can observe bison from a safe distance.
Parents should keep children close, as sudden movements can startle bison. If camping, store food securely to avoid attracting wildlife. By prioritizing these precautions, visitors can enjoy Yellowstone’s bison while keeping themselves and the animals safe.
Recognizing Warning Signs
- Raised Tail: A sign of agitation or readiness to charge.
- Pawing Ground: Indicates the bison feels threatened.
- Huffing or Head Shaking: Signals discomfort—retreat calmly.
- Lowered Head: Often precedes a charge; move away immediately.
NPS Quote: “Stay 25 yards away from bison to prevent attacks” – Yellowstone National Park Service.
Conclusion: Enjoying Yellowstone’s Bison Responsibly
Yellowstone’s bison are a testament to the park’s wild heart, offering visitors a glimpse into an untamed world. Yet, as the Yellowstone bison attack incidents of 2024 demonstrate, including the goring of an 83-year-old woman gored by bison at Yellowstone, these animals demand respect. Each incident serves as a reminder that human behavior—whether approaching too closely or ignoring warning signs—plays a significant role in these encounters. By adhering to NPS guidelines, recognizing bison behavior, and choosing safe viewing opportunities, visitors can minimize risks and protect both themselves and Yellowstone’s wildlife.
The broader context of bison management adds another layer to this issue. The Yellowstone bison herd lawsuit highlights how decisions about population control and habitat allocation influence where bison roam and how often they encounter humans. Dive deeper into this topic in our cornerstone article, [Yellowstone Bison Herd Lawsuit – Legal Battle](Yellowstone Bison Herd Lawsuit – Legal Battle), which examines the legal and ecological stakes. For practical advice, check out our [Best Places to See Bison in Yellowstone](Best Places to See Bison in Yellowstone) guide to plan a safe and memorable visit.
Yellowstone’s magic lies in its balance of beauty and power. Let’s preserve that by observing bison responsibly. Have you witnessed a bison encounter, or do you have safety tips to share? Drop a comment below, share this article on social media, or explore our related posts to stay informed!

Felipe M Bastian is a seasoned wildlife conservation expert with a deep focus on Yellowstone National Park’s bison herd and its ecological, cultural, and legal complexities. With over a decade of experience in environmental policy and wildlife management, Felipe has worked closely with park authorities, tribal communities, and conservation organizations to advocate for sustainable bison management practices. His insights into the Yellowstone Bison Management Plan lawsuit, tribal relocation efforts, and bison safety protocols stem from extensive field research and collaboration with stakeholders. Felipe’s writing combines scientific rigor with accessible storytelling, making him a trusted voice on Yellowstone’s iconic species. He holds a Master’s degree in Wildlife Biology and is passionate about preserving the ecological and cultural legacy of bison for future generations.
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