When free to roam, Yellowstone’s bison are fueling ecosystem recovery: Study

Free-moving herds of migratory bison successful Yellowstone National Park are stimulating the regrowth of flourishing grasslands and reshaping ecosystems, a caller survey has found. Contrary to accepted grazing wisdom, the findings suggest that encouraging large-scale migrations of these monolithic mammals could assistance heighten landscapes crossed North America, according to the research, published connected Thursday in Science.…