Contents
Oological Data on Egg and Breeding Characteristics of Brown Pelicans
Daniel W. Anderson and Joseph J. Hickey
Niche Overlap in Feeding Assemblages of New Guinea Birds
John Terborgh and Jared M. Diamond
An Appraisal of the Song of the Black-capped Chickadee
Keith L. Dixon and Raymond A. Stefanski
Status and Speciation in the Mexican Duck (anas Diazi)
John W. Aldrich and Kenard P. Baer
Parasitism by the Brown-headed Cowbird on a Brown Thrasher and a Catbird
Robert M. Mengel and Marion Anne Jenkinson
High Density of Birds Breeding in a Modified Deciduous Forest
David W. Johnston
Ornithological News
Wilson Bulletin
Ornithological Literature
Wilson Bulletin
Covers
Back Matter (PDF)
Wilson Bulletin
Front Matter (PDF)
Wilson Bulletin
General Notes
On the Validity of Some Supposed First State Records from Yucatan
Kenneth C. Parkes
High Density Mallard Nesting on a South Dakota Island
Rod C. Drewien and Larry F. Fredrickson
Courtship Display Observed Between Two Species of Buteos
Bruce R. Wolhuter and Frank Kish
Food Habits of Wintering Sparrow Hawks in Costa Rica
Robert E. Jenkins
Marsh Hawk Chases Crows Mobbing Owl
William E. Southern
Sand-kicking Camouflages Young Black Skimmers
Helen Hays and Grace Donaldson
Barn Owls Hunting by Daylight in Surinam
F. Haverschmidt
Food Preferences of a Hand-raised Blue Jay
A. R. Weisbrod