48 - The number of bird species that nest in U.S. grasslands, including ducks, grouse, hawks, and songbirds
48 and 55 - The percent of grassland birds that are of conservation concern and percent showing significant declines.
2 - Percent of the tallgrass prairie that still remains in North America
4 - Number of grassland bird populations that are federally endangered
8 - Number of sparrow species out of 12 that are listed as of conservation concern
38-77 - Percent of Eastern and Western meadowlarks, Bobolinks, Shorteared Owls, and Northern Bobwhites that have declined since 1968
6 - Number of species that breed in the Great Plains of the United States and Canada and that winter in Mexico’s Chihuahuan grasslands that are showing steep declines of 68–91%
Data: State of the Birds 2009
Photo by South Dakota Tourism
