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Chronic Wasting Disease

Chronic wasting disease (CWD) is a contagious neurological disease that affects members of the deer family, causing erratic behavior and weight loss that eventually results in death. CWD is classified as a transmissible spongiform encephalopathy (TSE), a…

Elk Culling

Culling is a wildlife management practice involving the lethal reduction of a species. It has historically been used as a means to control ungulate (hoofed animal) populations in Colorado and throughout the United States. As recently as 2009, it has been…

Land Use and Bird Life in Colorado

In the early to mid-1800s, when Europeans and Euro-Americans began arriving in what is now Colorado, they encountered a landscape that was significantly different from what we see today. The changes that have occurred to the landscape since then have had…

Rocky Mountain Elk

Rocky Mountain Elk (Cervus canadensis nelsoni) are large mammals in the deer family that live in Colorado’s forests. Revered as a symbol of the American West, they have played an important role in Colorado’s ecology and natural history. Each year,…