A sign in Yellowstone National Park warns visitors to not approach bison and other wildlife in the park. (Photo by Robert Alexander/Getty Images) A California woman was gored by a bison at Yellowstone National Park, after she approached the animal while attempting to take a photo.The 72-year-old unnamed woman got within 10 feet of the bison “multiple times” while at her Bridge Bay Campground to take photos before it attacked, the National Park Services wrote in a press release.The woman sustained “multiple goring wounds” and received immediate medical attention from park rangers before being flown to Eastern Idaho Regional Medical Center for further care.The incident happened June 25, less than six weeks after the park reopened to guests.