The story of the rise of a Yellowstone wolf, and what her life and death and death tell us about the struggle for the American West. --

Wildlife expert Casey Anderson - and his best friend, a 900-pound brown bear named Brutus - return for a second season of Expedition Wild, where Casey treks deep into America's oldest national park and immerses himself into the daily lives of the park's inhabitants. -- Container

"In this compelling page-turner, Rick McIntyre profiles one of Yellowstone's most revered alpha males, Wolf 21. Leader of the Druid Peak Pack, Wolf 21 was known for his unwavering bravery, his unusual benevolence (unlike other alphas, he never killed anydefeated rival males), and his fierce commitment to his mate, the formidable Wolf 42. Wolf 21 and Wolf 42 were attracted to each other the moment they met but Wolf 42's jealous sister interfered viciously...