The ecological role idea is interesting. The great plains for instance used to support some 30 million bison that native populations would harvest from. There i

The ecological role idea is interesting. The great plains for instance used to support some 30 million bison that native populations would harvest from. There is an ecological role for ruminants in this case in these regions. Today the great planes have 16 million cattle (1), and one could argue this remains a good area for ruminants to graze. 1. https://agrilifetoday.tamu.edu/2021/04/29/great-plains-grasslands-beef-cattle-production-rural-economies-challenged-by-climate-variability/ https://agrilifetoday.tamu.edu/2021/04/29/great-plains-grass...