Mystery in Yellowstone [703990] Released: 2015-06-09 Revenue: $0 Budget: $0 Profit: $0 Runtime: 46 mins Popularity: 0.2802 Vote Average: 10 Vote Count: 1 Overview: Yellowstone National Park is home to a vast array of landscapes and a huge diversity of animals, united in a fascinating ecosystem, one that is currently in severe trouble. The area once contained over 19,000 elk, but its numbers have plummeted by 80% in the last two decades. The mysterious decline has sparked many questions, and researchers are in a race to provide answers. Join them as they investigate a series of theories and suspects, from wolves to bears to trees to trout, in an attempt to solve this alarming puzzle. Cast [1] John BeachNarrator Hompage: https://www.smithsonianchannel.com/shows/mystery-in-yellowstone/0/3426461 Trailers