TallgrassPrairieNationalPreserveSign.jpg

Tallgrass Prairie National Preserve Entrance; Kansas. Photo by Jimmy Emerson, DVM/Flickr (Noncommercial Use Permitted with Attribution/No Derivative Works).
Tallgrass Prairie National Preserve
The National Park Service protects what remains of the North American tallgrass prairie in the Flint Hills of Kansas at Tallgrass Prairie National Preserve. A critically endangered ecosystem, less than 4% of the original 170 million acres of tallgrass prairie exists today.
Kansas