Skagen, S.K., P.B. Sharpe, R.G. Waltermire, and M.B. Dillon. 1999. Biogeographical profiles of shorebird migration in midcontinental North America. Biological Science Report USGS/BRD/BSR--2000-0003. U.S. Government Printing Office, Denver, CO. 167 p.

• Recurvirostra americana
• shorebird
• wetland
• Charadrius alexandrinus
• Charadrius melodus
• Phalaropus tricolor