A woman was killed in a suspected mountain lion attack while she was hiking alone in the mountains of northern Colorado ...

This is the story of how Colorado selected the bighorn sheep as its state animal and how this choice fits the state's history ...

The Memphis Zoo's latest conservation effort is well underway in Sri Lanka. The effort seeks to keep animals safe and to root ...

Warblers in high mountain wetlands change their dawn singing with temperature, rain, wind, humidity and moonlight, showing ...

This gorgeous Oregon mountain is the only place where you can see this breed of wild mustang horse running free. Be sure to ...

From ocean surf to mountain forest, the United States is home to animals that trigger deep fear in many people. Sharks, bears ...

Many familiar Bow Valley trails could be closed under a new provincial plan aimed at protecting wildlife movement.

Just ahead of the holidays the Colorado Department of Transportation (CDOT) announced its I-25 Greenland Wildlife Overpass ...

Winter is hard, and for wildlife in Colorado, it's even harder. To survive, many species have developed adaptations over ...

The Olympic Marmot is a meaningful symbol of Washington's identity, particularly in an era of rapid environmental change.

Across the drying West, beavers are increasingly valued for the ecological role their dams play. Utah is leading the way in ...