[3] This ecoregion largely follows the Red River Valley in the Canadian province of Manitoba and the American states of North Dakota and Minnesota.

[2] The Northern Tallgrass Prairie has a humid continental climate with moderate precipitation, usually between 450-700mm.

[2] Dominant grasses include big bluestem (Andropogon gerardi), switchgrass (Panicum virgatum) and Indiangrass (Sorghastrum nutans).

In wetter areas, trembling aspen (Populus tremuloides) and bur oak (Quercus macrocarpa) can be found.

Other, more common species in the ecoregion include white-tailed deer (Odocoileus virginianus), rabbit (Sylvilagus spp.