General Notes
Limits to Egg Size in Gulls: Another Point of View
Nicolaas A. Verbeek and Howard Richardson
Mate Fidelity in Ring-billed Gulls
Linda K. Southern and William E. Southern
Foraging by Cattle Egrets and American Kestrels at a Fire's Edge
John A. Smallwood, Mark Woodrey, Nathan J. Smallwood, and Mary Anne Kettler
On the Status of American Robins at Michigan State University
George J. Wallace
A Simple Egg-marking Technique
James L. Hayward Jr.
Methods for Sex Identification and Estimation of Wing Area in Semipalmated Sandpipers
Brian A. Harrington and Avery L. Taylor
An Easily Assembled Tree-top Blind
Gary R. Bortolotti
Cover
Back Matter (PDF)
Journal of Field Ornithology
Front Matter (PDF)
Journal of Field Ornithology
Contentss
Longevity Records of North American Birds: Gaviidae through Alcidae
Roger B. Clapp, M. Kathleen Klimkiewicz, and John H. Kennard
Winter Resident Repeats and Returns of Austral and Boreal Migrant Birds Banded in Venezuela
Raymond Mcneil
Repeats, Returns, and Estimated Flight Ranges of Some North American Migrants in Guatemala
David T. Rogers Jr., David L. Hicks, E. W. Wischusen, and J. R. Parrish
Habitat Requirements and Breeding Success of Charadriiform Birds Nesting at Salt Plains National Wildlife Refuge, Oklahoma
Paul B. Grover and Fritz L. Knopf
Songbird Populations in Southern Wisconsin Forests: 1954 and 1979
Bruce Ambuel and Stanley A. Temple
Observer Variability in Estimating Numbers: an Experiment
R. Michael Erwin
Recent Literature
Journal of Field Ornithology
Notes and News
Journal of Field Ornithology