Colorado's Wolf Reintroduction Continues
Colorado Confirms New Piney Ridge Wolf Pack as Four Packs Reproduce Amid Reintroduction Efforts
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Key Points
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The King Mountain pack did not reproduce this year due to the deaths of its breeding pair: the male died after being captured by CPW staff and the female was shot by a ranch hand.
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For the 2025-26 biological year, the largest known Colorado wolf packs were One Ear with 9 wolves, Three Creeks with 6 wolves, Copper Creek with 5 wolves, and King Mountain with 4 wolves.
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Copper Creek Pack has a notable history with livestock conflicts and management actions: it produced five pups in 2024, most of the pack was relocated to a wildlife sanctuary due to attacks, the matriarch and two pups were described as roaming with a male from British Columbia in 2025, and two of the 2024 pups were killed in 2025.
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CPW released a monthly map tracking wolf movements to monitor Piney Ridge and other packs, reflecting ongoing efforts to document territory and movements.
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In the last wolf biological year, seven of the ten wolf deaths were non-pack members, highlighting differential survival between pack and dispersing wolves.
Colorado has a new wolf pack. Colorado Parks and Wildlife confirmed the Piney Ridge Pack in Eagle County, making it the fifth known pack in the state, according to KRDO. Four packs — Piney Ridge, One Ear, Three Creeks, and Copper Creek — successfully reproduced this spring, marking continued progress in the state's wolf reintroduction program.
The announcement comes with a notable setback: the King Mountain pack did not reproduce this year. Its breeding male died after being captured by CPW staff, and its breeding female was shot by a ranch hand, Steamboat Radio reported.
Piney Ridge Pack Puts Eagle County on the Map
The Piney Ridge Pack formed after a breeding male and breeding female successfully reproduced in Eagle County, Steamboat Radio reported. CPW confirmed the pack's status and released a monthly map tracking wolf movements across the state, according to Daily Camera. The map helps managers document territory and keep tabs on where packs are roaming.
CPW has not released the exact number of Piney Ridge pups. Those numbers will appear in the 2027 spring report. Typical gray wolf litters run four to six pups, according to NewsNation. Counting pups is hard — young wolves hide in dense, remote terrain and may spend time underground, making precise tallies difficult for biologists.
Pack Size Rankings and What They Mean for Recovery
For the 2025-26 biological year, One Ear is the largest known Colorado pack with 9 wolves. Three Creeks follows with 6, Copper Creek with 5, and King Mountain with 4, according to Steamboat Pilot. Piney Ridge's count has not yet been added to those totals.
Pack formation matters beyond just numbers. Wolves in packs survive at higher rates than lone, dispersing wolves. CPW data shows that in the last wolf biological year, seven of ten wolf deaths were non-pack members. Packs also hold established territories, which makes it easier for managers to target conflict-prevention tools and monitor activity.
Copper Creek Pack's Rocky Road of Conflict and Loss
Not all pack news has been smooth. The Copper Creek Pack has a troubled history with livestock. The pack produced five pups in 2024, but most members were relocated to a wildlife sanctuary after repeated livestock attacks, Steamboat Pilot reported. Two of those 2024 pups were killed in 2025.
What remains of the Copper Creek Pack now looks very different. The pack's matriarch and two pups have been described as roaming with a male wolf from British Columbia. The group still reproduced this spring, keeping Copper Creek on the list of four packs that had pups in 2025.
What Comes Next for Colorado's Growing Wolf Population
CPW will publish minimum population counts in upcoming annual reports. The agency uses minimum counts because exact numbers are nearly impossible to confirm in the wild. The monthly wolf movement map will continue to track Piney Ridge and other packs as they move through Colorado's mountains, Daily Camera reported.
With four packs reproducing this spring, Colorado's reintroduction program is building momentum. Officials see each new pack as a step toward restoring wolves across the Southern Rockies. The Piney Ridge Pack is the clearest sign yet that the program is expanding beyond its early footholds, according to NewsNation.
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