Full Breakdown
New Wolf Pack Marks Growth in Colorado’s Emerging Wolf Population
7/23/2026, 11:16:37 AM
Core Development: Piney Ridge Pack Established in Eagle County
Colorado Parks and Wildlife (CPW) confirmed a new reproducing wolf pack in Eagle County, naming it the Piney Ridge Pack. This addition brings the number of confirmed breeding packs in the state to four for the current biological year (April 2025 – March 2026).
Background & Context: Reintroduction and Pack Formation
Wolves were reintroduced to Colorado in 2023, and the population remains small. CPW’s monitoring program tracks pack formation because established packs tend to have higher adult survival rates and clearer territorial boundaries, aiding conservation and conflict-mitigation efforts.
Data & Statistics
- Breeding packs: Piney Ridge, One Ear (Jackson County), Three Creeks (Rio Blanco County), Copper Creek (Pitkin County).
- Average litter size: four to six pups per pack.
- Wolf mortality (April 1 2025 – March 30 2026): ten wolves died; seven were dispersing individuals and three were pack members.
- Pup survival: roughly 50 % on average, with over 80 % of detected pups surviving this year.
- Livestock depredation: one calf attacked on July 16 in Eagle County; the responsible wolf(s) have not been identified.
Official Statements & Responses
CPW’s Wolf Conservation Program manager Eric Odell noted that detecting pups in late spring or early summer is difficult because young wolves use remote, densely vegetated habitats and may remain underground for extended periods. Data coordinator Brenna Cassidy emphasized that wolves in packs survive longer than solitary individuals and that pack formation lets CPW target conflict-mitigation tools—such as fladry, scare devices, and range riders—to predictable territorial areas, reducing livestock losses.
Verbatim Quotes
- “Detection of pups in late spring or early summer is inherently challenging, because of their use of remote habitats in dense cover, secretive nature of very young animals, and time potentially underground,” — Eric Odell
- “We are still working from a modest amount of data in Colorado — due to the relatively new nature of our wolf population as well as its small size — but so far we are seeing a clear pattern of wolves in packs surviving longer than wolves that are not in packs,” — Brenna Cassidy
Conflict Mitigation Strategies
When wolves establish territories, their movements become more predictable across public and private lands. CPW can allocate resources like fladry (fencing that flaps in the wind) and scare devices to zones where pack activity is concentrated, improving protection for ranchers while minimizing unnecessary interventions in low-risk areas.
Conflicting Reports & Gaps
CPW has not released a total count of pups born this spring, citing the difficulty of locating young wolves in dense cover. Detailed pup numbers are expected in the agency’s 2027 wolf report, scheduled for release next spring.
What’s Next
CPW plans to publish a comprehensive wolf population report in spring 2027, which will include a statewide count and more precise pup statistics. Monitoring will continue to track pack territories, mortality, and livestock interactions throughout the coming year.
