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Beaver

The North American beaver (Castor canadensis) is native to Colorado, and its role as both an environmental engineer and a keystone species has profoundly impacted the state’s ecology and history. Although their populations today are low, beavers continue…

Great Sand Dunes National Park and Preserve

The Great Sand Dunes sprawl along the eastern fringes of the vast San Luis Valley of south central Colorado, covering an area of nearly thirty square miles. They are the tallest aeolian (wind-produced) dunes in North America, heaping mounds of sand that…

Wetlands and Riparian Areas

Wetlands are ecosystems that are at least periodically saturated or inundated by water, creating unique habitats that support a wide variety of plant and animal species. Colorado wetlands include a diverse range of ecosystem types, each with distinctive…