General Notes
Age Determination by Skull Pneumatization in the Field Sparrow
Kathryn J. Schneider
Head-scratching and Yawning in Black Skimmers
Scott R. Robinson
Fall Migration of Peregrine Falcons along the Rhode Island Coast
Roy S. Slack and Cathie Baumgartner Slack
A Source of Variation in Avian Growth Studies: Undigested Food
Malcolm C. Coulter
Commensal Foraging Between Hairy and Pileated Woodpeckers
Stephen J. Maxson and George-Ann D. Maxson
Gray Partridge Trapping Techniques
Loren M. Smith, Jerry W. Hupp, and John T. Ratti
Sex-ratio Adjustment in Malnourished Red-winged Blackbird Broods
James R. Cronmiller and Charles F. Thompson
A Technique for Vasectomizing Birds
David H. Ellis and James W. Carpenter
Cover
Back Matter (PDF)
Journal of Field Ornithology
Front Matter (PDF)
Journal of Field Ornithology
Contentss
Predicting the Sex of Herring Gulls by Using External Measurements
Glen A. Fox, Carl R. Cooper, and John P. Ryder
Age and Condition Bias of Decoy-trapped Birds
Patrick J. Weatherhead and Hamilton Greenwood
The Prevalence of Some Ectoparasites, Diseases, and Abnormalities in the Yellow-shouldered Blackbird
William Post
Body Lipids and Pesticide Burdens of Migrant Blue-winged Teal
Donald H. White, Kirke A. King, Christine A. Mitchell, and Alexander J. Krynitsky
Sex Differences in Winter Habitat of American Kestrels in Georgia
Christopher H. Stinson, Douglas L. Crawford, and Janet Lauthner
Recoveries of Wintering Roseate Terns
Jill Hamilton
Avian Winter Abundance Patterns in Farmstead Shelterbelts: Weather and Temporal Effects
Richard H. Yahner
Recent Literature
Journal of Field Ornithology
Notes and News
Journal of Field Ornithology