Contents
Behavior and Generic Status of the Rufous Flycatcher of Peru
Wesley E. Lanyon
Suggestions for Calculating Nest Success
Harold F. Mayfield
Oil Threat to Aquatic Birds along the Yukon Coast
Kees Vermeer and Gary G. Anweiler
Geographic and Ecological Variation in the Family Icteridae
Peter E. Lowther
Breeding Biology of the Golden Eagle in Southwestern Idaho
John J. Beecham and M. N. Kochert
Prey Selection and Caloric Ingestion Rate of Captive American Kestrels
Gary W. Barrett and Carl V. Mackey
Flammulated Owl Migration in the Southwestern United States
Russell P. Balda, Barbara Clark Mcknight, and Clarence D. Johnson
Egg-laying, Egg Size, and Success in Relation to Immature-mature Plumage of Ring-billed Gulls
John P. Ryder
Geographic Variation in Wing-loading of the House Sparrow
Charles R. Blem
Ornithological News
Wilson Bulletin
Ornithological Literature
Wilson Bulletin
Proceedings of the Fifty-sixth Annual Meeting
James Tate Jr.
Index to Volume 87, 1975
Jerome A. Jackson, Robert J. Esher, Wayne C. Weber, and David F. Werschkul
An Optical Scope for Examining Nest Contents of Tunnel-nesting Birds
Natalie J. Demong and Stephen T. Emlen
American Robin Feeds Garter Snake to Its Nestlings
Merle L. Richmond
Chipping Sparrows Feeding Grit to Offspring
Doren Crook
Hoarding of Corn by Golden-fronted Woodpeckers
James W. Martin and James C. Kroll
Robin Gathering Nest Material in October
Roger F. Pasquier
The Mexican Chicken Bug as a Source of Raptor Mortality
Stephen W. Platt
American Kestrels Sit on Wood Duck Eggs
Stephen J. Zipko
Wildlife Occupying Potential Wood Duck Tree Nest Sites
Roger L. Boyer
Covers
Back Matter (PDF)
Wilson Bulletin
Front Matter (PDF)
Wilson Bulletin