Monday, February 16 at 9 p.m.
For over 35 years, a dedicated team of biologists has quietly shaped one of the most enduring and impactful wildlife research programs in America.
This film takes viewers deep into the wild heart of Yellowstone National Park to reveal the hidden lives of cougars, stealthy apex predators whose presence is vital to the health and balance of the ecosystem.
Explore the great outdoors with Arizona PBS. From the depths of the ocean to flying high in the sky, check out Arizona PBS programs and activities with one-of-a-kind local programming.


















