Officials said Monday that a Montana backcountry guide died after being mauled by a massive grizzly bear reportedly guarding a nearby moose carcass just outside Yellowstone National Park.

More than 700 bears live in the Yellowstone range of Montana, Idaho, and Wyoming. Human fatalities are uncommon, but they have become more common in recent decades. The grizzly population has grown, and more residents have migrated into rural areas near the bear habitat. Eight people have been killed by grizzlies in the Yellowstone range since 2010, including Mock. Within the park, three people died.

The most recent death occurred in Wyoming in 2018, when a hunting guide and his client were stabbed, with the guide being killed.

Outside of Alaska, grizzly bears have been federally protected as an endangered species since 1975, after widespread extinction by trappers and hunters in the early twentieth century.

Grizzly bear hunting is prohibited. However, legislators from Idaho, Montana, and Wyoming attempt to compel conservation authorities to loosen protections, allowing bears to be hunted.

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