Kōdai na purērī (Hokubei no daisōgen chitai) ni ichi suru kono chiiki wa, Hokubei mizutori kanri keikaku no katsudō no taishō shu dearu onagagamo no shuyō seisokuchi deariLocated in the vast Great Plains (North America's grassland area), this region is the main habitat of the northern pintail, which is a target of the North American waterfowl control program