ACKNOWLEDGMENTS 



A great many people facilitated the preparation of this report. First 

 and foremost, Wendell E. Dodge, Leader of the Massachusetts Cooperative Wild- 

 life Research Unit deserves a great deal of credit for initiating the contract 

 proposal and for his supervision throughout. Field support was provided by 

 the following U.S. Fish and Wildlife Service (Region 5) personnel: C. Bolin, 

 R. Bollengier, Jr., E. Ladd, and J. Goldsberry. Substantial amounts of his- 

 torical data on breeding waterbirds were generously provided by A. Borror, P. 

 A. and F. G. Buckley, M. A. Byrd, R. B. Clapp, W. H. Drury, D. C. Duffy, R. 

 L. Ferren, E. J. Fisk, N. Proctor, J. Weske, and L. Wilcox. Also, refuge man- 

 agers at Back Bay (VA), Blackwater (MD), Brigantine (NJ), Chincoteague (VA), 

 Plum Island (MA), and Target Rock (NY) National Wildlife Refuges helped by 

 providing data from their refuge files. 



Technical assistance and expertise were provided by M. Civello, B. 

 Hendricks, J. Portnoy; and N. and L. Rowse. R. Andrews. W. Dodge, J. Lewis, 

 J. Portnoy, D. Smith, and S. Patton made suggestions for improving the manu- 

 script. The cover artwork is by Charlotte Adamson. 



W. H. Drury and E. J. Fisk deserve special acknowledgment for spurring 

 interest in colonial waterbirds as a significant wildlife resource. 



XIV 



