The thunder of hooves once shook the vast North American plains as millions of bison roamed free, sculpting the landscape in ...

Trump administration-led funding cuts and expansion of oil and gas drilling will impact conservation. Boulder Weekly ...

Bison lived for the past 10,000 years on the rich grasslands of the Great Plains of North America from what is now ... of domesticated and undomesticated plant life, including grassland ecology ...

The interloper, commonly found in the Rocky Mountains, destroys eggplant, tomato and tobacco plants as well as spuds. The fall armyworm, native to eastern and central North America, spread a few ...

Other types of grassland grasses include a much taller type called big bluestem, which grows with very deep roots in the wetter parts of North America. In the 1930s settlers ploughed the big ...