Acknowledgments

Thanks to J. Anderson, R. Anderson, J. Bowling, R. Cannings, D. Esler, D. Gibson, R. Gill, H. Grunberg, S. Houston, J. Kormendy, K. Kuletz, P. Lehman, R. MacIntosh, J. Mason, B. McCaffery, R. McNeil, L. Oring, G. Page, D. Parmelee, P. Paton, M. Price, J. Remsen, D. Ruthrauff, S. Savage, D. Shuford, P. Sinclair, L. Underhill, N. Warnock, and G. West for providing unpublished information or manuscripts. R. McNeil was generous enough to translate his papers from French for us. B. Harrington provided us with data from the International Shorebird Survey run by Manomet Observatory, and L. Creekmore supplied information from the National Wildlife Health Center database on bird diseases. Egg data were supplied by the Western Foundation of Vertebrate Zoology and L. Kiff. S. Gaunt kindly made sonograms from the Borror Laboratory collec-tion and from recordings provided by L. Oring. K. Vogt identified invertebrates from Alaska. The manuscript benefited from reviews by B. Harrington, J. Jehl, L. Oring, A. Poole, K. Russell, and N. Warnock. While writing this account, CSE was supported by a fellowship from Ducks Unlimited through the Institute for Wetland and Waterfowl Research, and TLT by the Alaska Biological Science Center of the U.S. Geological Survey.