"Extremely agitated" bear charges people, is killed by Alaska police
A local official said unsecured trash led to the incident.
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A local official said unsecured trash led to the incident.
Officials ruled out a rare predatory attack, which suggests the marathon runner died following a chance bear encounter while likely running or walking.
Investigators discovered grizzly bear tracks near the woman's body on Buttermilk Trail, close to the park.
A grizzly bear that appeared to have been killed was found near Yellowstone National Park, prompting an investigation from state and federal officials.
Yellowstone visitors have been cautioned to "be especially alert" as bears that emerge from hibernation can be particularly aggressive in their search for food.
His son was able to help his father onto a horse and they headed toward a nearby lake to meet search and rescue crews.
Two college wrestlers were looking for antlers when they startled the bear, leading to the attack, officials said. Both were brought to hospitals.
The bear charged out of the brush, knocked the man over and stepped on him, said a spokesperson for the state wildlife department.
Nicholas Kuperus was mauled after he surprised a female grizzly with three cubs while hunting.
The man had bear spray but the bear surprised him and he didn't have time to use it, the sheriff's statement said.
Officials say it happened so fast he didn't get to use the bear spray he was carrying. He was brought by helicopter to a hospital in Billings, Montana.
It's not clear how the injured grizzly lost her paw, but a bicyclist found a grizzly bear paw on April 11 on a road.
Officers visited the bear's den, discovering a dead cub that "perished as a result of the sow's failure to return."
Craig Clouatre was found dead two days after he failed to return from an off-trail hike in densely forested mountains north of Yellowstone.
Grizzlies have killed at least eight people in the Yellowstone region since 2010.
When a bear steals a meal from a wolf pack, the wolves kill less often, researcher say.