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Yellowstone Bison Attack Sparks Wildlife Safety Warning in Tehama County

Park officials said the bull bison was likely in rut and will not be managed after the July 10 attack that injured a tourist.

  • On Friday, July 10, a 900kg bull bison at Yellowstone National Park's Bridge Bay Campground attacked 65-year-old tourist Carl Isom-McDaniel, tossing him 8 feet into the air. Park officials stated the animal will not be euthanized.
  • Park officials attribute the charge to the 900-kilogram bison experiencing a surge of testosterone at the start of mating season, leading it to suddenly chase Isom-McDaniel and his 13-year-old grandson after they stopped to photograph the bull.
  • Video footage recorded by photographer Mike MacLeod shows the pair maintained a distance of about 100 yards; MacLeod intervened to distract the bison, stating the animal appeared aggressive from the start and the tourists did not provoke it.
  • Following surgery at a Bozeman hospital on July 12 for a broken femur, Isom-McDaniel is recovering well, sharing a brief update on Facebook stating, "Thank you everyone I am O K."
  • National Park Service guidelines emphasize maintaining at least 25 yards from bison; Isom-McDaniel expressed gratitude the bison did not gore or trample him after the attack, noting "He could have done almost anything to take my life and he did not do so.
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A video of an incident that took place in Yellowstone National Park in the US has quickly gone viral online. The enraged animal lunged at an elderly man in the park and threw him more than two meters into the air. His family later said that the man suffered a broken leg in four places in the incident. The park has now announced that they do not plan to euthanize the bison.

·Ljubljana, Slovenia
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Cowboy State Daily broke the news on Tuesday, July 14, 2026.
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