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Moose in Colorado: Native or Newcomer? The Debate Settled!

July 12, 2026 · 2 min read

Bull Elk
Photo: AER Wilmington DE · BY 2.0

Colorado’s Moose: An Historical Misconception Corrected

For decades, the prevailing narrative suggested that moose (Alces alces) were relative newcomers to the Colorado landscape, either recent migrants or even artificially introduced. However, groundbreaking new research, slated for publication in the prestigious Journal of Biogeography in 2026, is set to overturn this long-held belief. The study unequivocally confirms that moose are a native species to Colorado, with their presence documented for at least centuries, and likely far longer.

Multiple Lines of Evidence Tell the Tale

The robust conclusion of this research isn’t based on a single piece of evidence but rather on a comprehensive, multi-disciplinary approach. Researchers delved into a wide array of independent sources, ranging from archaeological sites and historical newspaper archives to museum collections and invaluable Indigenous knowledge. Each of these pillars contributed significantly to reconstructing the history of moose in the state. One of the most compelling pieces of physical evidence comes from archaeological findings: moose bones unearthed at the 9,000-year-old Jurgens site near Greeley, Colorado. This discovery provides irrefutable proof of the species’ long-standing presence in the region.

Beyond tangible artifacts, the study also leveraged a crucial, often overlooked resource: Indigenous knowledge. The oral traditions and observations of Native American communities, passed down through generations, corroborated the presence of moose in the Colorado landscape long before the arrival of European settlers’ written records.

Why This Discovery Matters

Recognizing moose as a native species in Colorado carries profound implications for conservation efforts and our understanding of local ecology. Rather than being viewed as an alien species that might require different management strategies, moose are now acknowledged as an essential and natural component of Colorado’s fauna. This shift in perspective can influence decisions regarding habitat preservation and wildlife management policies, ensuring these magnificent animals continue to thrive on the land they have called home for millennia.