19/01/2026
1478 F: Eulogy on a beloved Yellowstone Wolf stolen from us.
Wolf 1478F was born into one of Yellowstone’s most famous families: the Junction Butte pack.
Her mother, 907F, was a seasoned matriarch—an experienced hunter, devoted parent, and the guiding force behind one of the park’s most-watched wolf packs. Under 907F’s leadership, the Junction Butte wolves held a prominent territory and were regularly seen by visitors along Yellowstone’s Northern Range. For many people, watching this pack became a cherished part of visiting the park; for researchers, they were a vital source of long-term data on wolf behavior and ecology.
From an early age, 1478F showed the traits biologists look for in a future leader. She was attentive to the movements of the adults, quick to respond at kills, and increasingly assertive around carcasses and packmates. As she grew, she began stepping into more demanding roles: helping with hunts, guarding carcasses from scavengers, and interacting confidently with other wolves. Yellowstone biologists and longtime wolf watchers started to recognize her as one of 907F’s most promising daughters.
Then, in late 2024, the Junction Butte pack was thrown into turmoil. After two members of the pack were shot when they briefly crossed the park boundary, the pack’s stability was already under strain. Not long after that, near a bison carcass outside the protection of park borders, the rival Rescue Creek pack attacked. In the chaos of that confrontation, 907F was gravely wounded. She died on Christmas Day, leaving behind a fractured pack and five pups—two of her own and three that she had adopted from another female.
In the weeks that followed, researchers watched closely to see what would happen. The fate of Yellowstone wolf packs after the loss of a dominant breeder is never guaranteed. Sometimes packs fragment; sometimes new leaders emerge from within. The Junction Butte wolves were unsettled: 907F’s uncollared mate went missing, some females began to associate with males from the rival Rescue Creek pack, and the territory that had long belonged to 907F’s family seemed suddenly uncertain.
In this fragile moment, 1478F began to stand out. Observations suggested she was emerging as a dominant female among 907F’s daughters. In Yellowstone, territories often pass matrilineally—from mother to daughter—and 1478F appeared to be one of the strongest candidates to inherit Junction Butte’s legacy. Her behavior reflected growing authority: leading movements, asserting herself at kills, and playing a central role in keeping the remaining wolves cohesive.
Biologists and wolf advocates hoped that, despite the severe disruption, the Junction Butte pack might stabilize under a new generation, with 1478F helping to anchor the future of her family’s lineage on the Northern Range.
Instead, that story was cut short.
Wolf 1478F, the emerging matriarch of the Junction Butte pack, has been illegally killed. 🐺🐾🐺🐾
