1. Ahlering MA, Merkord CL (2016) Cattle grazing and grassland birds in the northern tallgrass prairie. J Wildl Manag 80(4):643–654
2. Anderson BW, Ohmart RD (1981) Comparisons of avian census results using variable distance transect and variable circular plot techniques. Stud Avian Biol 6:186–192
3. Anderson JR, Hardy EE, Roach JT, Witmer RE (1976) A land use and land cover classification system for use with remote sensor data. United States Government Printing Office, Washington, DC
4. Askins RA, Cháívez-Ramírez F, Dale BC, Haas CA, Herkert JR, Knopf FL, Vickery PD (2007) Conservation of grassland birds in North America: understanding ecological processes in different regions. Ornithol Monogr 64:1–46
5. Bajema RA, Lima SL (2001) Landscape-level analysis of Henslow’s Sparrow (Ammodramus henslowii) abundance in reclaimed coal mine grasslands. Am Midl Nat 145(2):288–298