Beaver Sightings in Colorado
1,510 documented observations · most recent 5/20/2026
Beaver activity in Colorado has been steady and well-documented, with 1,510 sightings on record and multiple observations logged just in the past two weeks of May 2026. The most recent confirmed sighting came in on May 20, and several others followed closely behind it, suggesting consistent presence and ongoing community attention. One observer noted tracks and sign, while another recorded activity along Sangria de Cristo Creek — the kind of ground-level detail that helps build a clearer picture of where beavers are moving and settling across the state.
Most of these observations carry an evidence type of "animal," meaning observers are encountering beavers directly rather than relying solely on secondary signs like chewed wood or dam structures. That said, tracks and other physical evidence count too, and both categories reflect real, documented presence in the landscape.
The dataset as a whole draws heavily from citizen-science platforms, which means the 1,510 sightings represent the collective effort of naturalists, hikers, and wildlife watchers submitting what they find. This kind of distributed observation network tends to be uneven — areas with more foot traffic get more reports — but it also captures a breadth of locations that formal surveys rarely match.
Beavers are considered a keystone species in North American ecosystems. Their dam-building creates wetland habitat, slows water flow, raises local water tables, and supports a wide range of plant and animal communities. In drought-prone and arid landscapes, beaver ponds can serve as important reservoirs of moisture, helping buffer surrounding habitat during dry periods. These ecological functions make beavers a subject of growing interest in land management and climate resilience conversations, well beyond Colorado's borders. Whether you're tracking them for research, curiosity, or conservation, the data here reflects an active and observable population.
Recent observations
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