This video from the USA says about itself:
The Sagebrush Sea – Cornell Lab Trailer
5 May 2015
The Cornell Lab of Ornithology writes about this:
Dive Into The Sagebrush Sea—Airing May 20 on PBS Nature
Mark your calendar and set your DVR—you won’t want to miss a major new documentary about the great sagebrush plains—one of the largest yet most vulnerable landscapes in North America. Capturing both the breathtaking sweep of the land and the intimate struggles of its most delicate inhabitants, this 1-hour show immerses you in a world of owls, hawks, eagles, bluebirds, pronghorn, and coyotes, all framed by the spectacular rituals of a bird you truly have to see to believe: the Greater Sage-Grouse.