elk

It’s akin to a light switch; it’s that stark. One day mountain lions inhabiting the Southern Yellowstone Ecosystem are predominantly killing mule deer, and the next day they all switch to killing elk. And then they kill elk for five to five and a half months before they switch back to deer. It happens on...

Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend on radio, or listen below! Hour 1 Kevin Vallely is an adventurer who has put himself through many...