The mountain environment is home to many different animals--and that changing landscape threatens many of these wild creatures.

Introduces the importance of mountains and describes some of the animals that live there.

Magnificent mountains tower above everything, keeping watch over planet Earth. Take a closer look and discover the unexpected treasures these ancient giants hold. Journey around the world to see the wildlife, landscapes, and natural wonders of these ever-changing monuments of rock. Take a hike through alpine landscapes and snowy mountain peaks and discover Earth's diverse and delicate ecosystems.