Today I mow the grasses in our yard. Lawn is something folks plant and weed; here it all comes up and you have to keep it down. The buffalo did it and so can I with a lawn tractor.
I was looking at the map where there was good pasture in Kentucky when the settlers arrived in Kentucky and they were the Rolling hills around Lexington, Bowling Green and Hopkinsville. Those prairies were from east and west across Kentucky and the Bison kept those prairies cut low and they followed their traces. Most of the land was forest but the Bison did manage the prairies in Kentucky.