Grizzly ‘The Boss’ Faces Challenge from Rival Bear Split Lip

URGENT UPDATE: Banff’s legendary grizzly bear, known as The Boss, is reportedly facing fierce competition from a rival named Split Lip in the Bow Valley. Wildlife photographer Jason Leo Bantle has documented The Boss’s reign for over a decade and now reveals that the dynamic between these two bears is shifting rapidly.

Just days ago, Bantle observed both bears in close proximity, a sign that their territorial battles are intensifying. “Seeing Split Lip two or three years ago was a rare occurrence,” Bantle stated. “Now, I encounter him frequently in areas where The Boss was the sole dominant figure.” As The Boss, estimated to weigh between 650 and 700 pounds, approaches his mid-to-late twenties, his ability to maintain dominance is being tested like never before.

The Boss has a remarkable history, having survived a train strike and once shutting down a popular Banff trail while feeding on a black bear. His home range spans over 2,500 square kilometers, solidifying his status as a formidable presence in the region. However, the emergence of Split Lip suggests a new contender is on the rise.

Bantle noted that recent facial scars on The Boss indicate he has been involved in confrontations with Split Lip, which could impact his standing in the bear hierarchy. “Some bears are taking chances, believing they can beat The Boss,” he explained. “This is indicative of a shift in power.” If The Boss begins to retreat or avoid fights he feels he cannot win, it may impact his mating prospects, signaling to female bears that he is no longer the top choice.

As the 2025 hibernation season approaches, bear activity in the Bow Valley remains notable. Bantle’s recent photos reveal Split Lip navigating a snow-covered landscape, reminding observers that some bears are still active. Nick de Ruyter, program director of the BioSphere Institute’s WildSmart program, confirmed that seasonal bear activity is influenced by environmental factors like temperature and food availability.

“Based on how good of a berry crop we had this summer, many bears will be going into their dens fat and happy,” de Ruyter said. However, with bear activity still present, he advises hikers and outdoor enthusiasts to carry bear spray year-round for safety against potential encounters with grizzlies or other predators.

This ongoing rivalry between The Boss and Split Lip is drawing attention not only for its wildlife implications but also for the broader environmental impact. As the dynamics shift in the Bow Valley, observers are closely watching to see how this battle for dominance unfolds.

Stay tuned for further updates as this situation develops. The wildlife community is eager to learn how these legendary bears will navigate their changing landscape amidst increasing competition.