Contents
A Revision of the Mexican Piculus (picidae) Complex
Luis F. Baptista
Distribution, Density, and Productivity of Accipiter Hawks Breeding in Oregon
Richard T. Reynolds and Howard M. Wight
Dde Residues and Eggshell Thinning in Loggerhead Shrikes
William L. Anderson and Ronald E. Duzan
Tree Species Used by Birds in Logged and Unlogged Mixed-coniferous Forests
Kathleen E. Franzreb
Double-broodedness in Purple Martins in Texas
Charles R. Brown
Food of Nestling Purple Martins
Helene Walsh
Reproduction and Nest Site Selection by Red-winged Blackbirds in North Louisiana
Bryan T. Brown and John W. Goertz
The Rufous-collared Sparrow as a Host of the Shiny Cowbird
Rosendo M. Fraga
President's Page
Wilson Bulletin
Ornithological News
Wilson Bulletin
Ornithological Literature
Wilson Bulletin
Covers
Back Matter (PDF)
Wilson Bulletin
Front Matter (PDF)
Wilson Bulletin
General Notes
Sexual Similarity of Red-headed Woodpeckers and Possible Explanations Based on Fall Territorial Behavior
Lawrence Kilham
Effects of Nest Removal on Starling Populations
H W. Heusmann and Robert Bellville
Unusual Incubation Behavior in Bobwhite
George A. Hurst
A Cattle Egret-deer Mutualism
Marc R. Halley and Wayne D. Lord
Protocalliphora Infestation in Great Horned Owls
Robert T. Bohm
Territorial Defense of a Nectar Source by a Palm Warbler
Joseph M. Wunderle Jr.
Ring-billed Gull Pair with 2 Nests
William E. Southern
Nest Placement in Sage Thrashers
Terrell D. Rich