Acknowledgments

We would like to thank the following students for their invaluable assistance in gathering information on this species on its breeding grounds in Churchill, Manitoba: Allison Rippin Armstrong, Suzanne Board, Oonagh O’Connor, Laura Flynn, Debra Giesbrecht, Jennifer Heal, Kelly Kilpatrick, Grant LaFontaine, Chris Robinson, Andrea Smith, and especially Yuri Zharikov. Adam Smith collected preliminary data on the wintering ecology of Semipalmated Plovers in Venezuela in 1997. We also thank the fol-lowing people for data, advice, or field equipment: Rick Bello, Dale Boudreau, Jim Briskie, Peter Burke, Andy Didyk, David Gascoigne, Brian Harrington, Marshall Howe, Rick Lanctot, Doug McCrae, Guy Morrison, Dennis Paulson, Mark Peck, Susan Skagen, Jeff Spendelow, Nellie Tsipoura, and Mark Williamson. Special thanks go to Cheri Gratto-Trevor, who went out of her way to provide references. We thank the Churchill Northern Studies Centre for accommodation and the use and storage of vehicles. We also thank Natural Sciences and Engineering Research Council Program (Canada Department of Indian and Northern Affairs) and the Northern Scientific Training Grant for funding generously the Churchill research program. MSB thanks her husband Peter and daughter Claire for their support and understanding. EN thanks David Hussell for useful discussion.