Contents
Observations on the Ecology and Behavior of the Pale-billed Sicklebill
Bruce M. Beehler and Carol H. Beehler
Potential Use of Feather Chemistry as an Indicator of Relative Growth
Gary R. Bortolotti and Jon C. Barlow
Color Plate
Wilson Bulletin
Growth of Nestling Sage Sparrows and Brewer's Sparrows
Kenneth L. Petersen, Louis B. Best, and Brian M. Winter
Nest-site Characteristics and Reproductive Success of Long-eared Owls in Southwestern Idaho
Jeffrey S. Marks
1987 Annual Meeting
Wilson Bulletin
Red-tailed Hawk Nest Sites in Puerto Rico
Eduardo Santana C., Eddie N. Laboy, James A. Mosher, and Stanley Temple
The Courtship Behavior and Mixed-species Pairing of King and Imperial Blue-eyed Shags (phalacrocorax Albiventer and P. a Triceps)
Douglas Siegel-Causey
Ornithological Literature
Wilson Bulletin
South African Ornithological Society Symposium
Wilson Bulletin
Proceedings of the Sixty-seventh Annual Meeting
John L. Zimmerman
Announcements
Wilson Bulletin
Index to Volume 98, 1986
Kathy G. Beal
Covers
Back Matter (PDF)
Wilson Bulletin
Front Matter (PDF)
Wilson Bulletin
General Notes
Dispersal of Recently Fledged Mourning Doves from Nest Sites
Ronald R. Hitchcock and Ralph E. Mirarchi
Seabird Densities and Aggregations during the 1983 El Nino in the Galapagos Islands
David Cameron Duffy and Godfrey Merlen
Systematic Interpretations of Foot-scute Patterns in Neotropical Finches
George A. Clarke Jr.
Northern Harrier Predation on Willow Ptarmigan
David S. Hik, Susan J. Hannon, and Kathy Martin
Predation on Black and Turkey Vultures
John S. Coleman and James D. Fraser
Eastern Bluebird Responses to Nocturnal Black Rat Snake Nest Predation
R. Craig Hensley and Kimberly G. Smith
Destructiou of Heterospecific Eggs by the Gray Catbird
Jean-Claude Belles-Isles and Jaroslav Picman
Fatal Antipredator Behavior of a Killdeer
Dianne H. Brunton
Plunge-diving by Olivaceous Cormorants in Chile
David Cameron Duffy, Rory P. Wilson, Marie-Pierre Wilson, and R. Claudio Velasquez
Which Sex Leads in Paired Mallards?
Kim C. Derrickson
Ages of Mated Pairs of California Gulls
Bruce H. Pugesek and Kenneth L. Diem
Aerial Rain Bathing by Common Nighthawks
Kevin J. Mcgowan and Glen E. Woolfenden
Green-backed Heron Baits Fish with Insects
Charles R. Preston, Hershel Moseley, and Carolyn Moseley
Great-tailed Grackle Kills Barn Swallow in Flight
Roger B. Clapp