Record-breaking Wolf 907F, the alpha of the Junction Butte pack, died after a confrontation with a rival pack at Yellowstone River on Christmas Day.

All reigns, no matter how historic, ultimately come to an end. And according to officials, Yellowstone National Park ’s “Queen of the Wolves” finally passed away at 11-years-old after succumbing to wounds from a fight.

The collar on 907F, one of the best-known gray wolves in Yellowstone National Park, signaled "mortality" last week—indicating the matriarch of the Junction Butte pack had died of injuries suffered in a fight at age 11.

Gov. Greg Gianforte and two state agencies are suing the federal government. They argue Yellowstone National Park’s new bison management plan violates federal law.

Montana officials filed a lawsuit on Dec. 31 in U.S. District court alleging that the DOI and NPS have failed to keep bison populations in check at Yellowstone National Park. NPS officials say the park can support a larger herd,

Bison in Yellowstone National Park may seem calm, but approaching them is extremely dangerous. Learn why these massive animals should always be admired from a safe distance and the steps to ensure your safety while visiting the park.