Bison once dominated the Great Plains but were nearly wiped out by hunters in the 1800s. Now scientists are learning that bison's presence improves plant and wildlife diversity on the prairies.
Woody plants' cover has increased across large swathes of the continent in the past three decades.
In our increasingly noisy world, how do you make sure that your voice is heard? If you’re a bird, that depends on the type of noise and what you’re trying to say.
Fire has been viewed as the main protagonist in creating Africa's iconic savannas. However, new research shows that browsing animals created savannas millions of years before fire became important.
Victoria's volcanic plains offer fertile ground for grasslands teeming with wildflowers. But that same fertility has also made the plains a tempting target for grazers and growers, and developers too.