Wildfires that are common on the prairie—some caused by lightning, some set by people—kill off bigger, woodier competitors such as sumac and red cedar and burn away the layer of dead grass ...

To the northeast, a red-tailed hawk soars on the breeze, gracefully circling in its hunt for prey. The silence is immense until a breeze comes over a nearby rise, playing the grass like an instrument.

The North American prairie rivals the Amazon rainforest in its biological diversity, and it’s disappearing even faster. 'Sea of Grass' documents destruction of prairie and the people trying to ...

Prairie dogs are often thought of as “environmental engineers,” she said, because they construct extensive burrows and nibble down prairie grass, keeping short-grass ecosystems intact.

Prairie dogs are often thought of as "environmental engineers," she said, because they construct extensive burrows and nibble down prairie grass, keeping short-grass ecosystems intact.