General Notes
Sexual Differences in Measurements of Cassin's Auklet
Douglas A. Nelson
Likely Nest Reuse by a Field Sparrow
Charles P. Nicholson
A Three-legged Cattle Tyrant
Oscar De Souza Lopes and Lia De Abreu Dente
Record Longevity of Swainson's Hawks
C. Stuart Houston and John B. Millar
Radar Observations of Bird Migration near Provincetown, Massachusetts
Timothy C. Williams and Janet M. Williams
Uptilted Bills in Thrushes
George A. Clark Jr.
Canada Goose Feeding Damages Shellfish Beds
H W. Heusmann
Adventitious Molt in Red Knot Possibly Caused by Actornithophilus (mallophaga: Menoponidae)
Avery L. Taylor Jr.
A New Transmitter Package Assembly for Adult Herring Gulls
Ralph D. Morris, M. C. Benkel, A. Biernacki, and J. M. Ross
Belly-soaking by in Cubating Common, Sandwich, and Royal Terns
Gilbert S. Grant
Mate-swapping of Sandhill Cranes
Carroll D. Littlefield
Cover
Back Matter (PDF)
Journal of Field Ornithology
Front Matter (PDF)
Journal of Field Ornithology
Contentss
Spring Migration Studied by Mist-netting, Ceilometer, and Radar
Timothy C. Williams, J. Ellen Marsden, Trevor L. Lloyd-Evans, Victor Krauthamer, and Helene Krauthamer
The Display Behavior of the Gull-billed Tern
Harold F. Sears
Regional Variation of Great Blue Heron Longevity
Range D. Bayer
Movements and Survival Rates of Park Mallards
H W. Heusmann
The Dynamics of Red-winged Blackbird Populations at Four Late Summer Roosts in Quebec
Patrick J. Weatherhead
Nesting Success of Chimney Swifts Related to Age and the Number of Adults at the Nest, and the Subsequent Fate of the Visitors
Ralph W. Dexter
Recent Literature
Journal of Field Ornithology
Notes and News
Journal of Field Ornithology