Contents
The Relationships of the Hoatzin
Charles G. Sibley and Jon E. Ahlquist
Renal Mucoid Materials in Pigeons Fed High and Low Protein Diets
F. M. Mcnabb, Roger A. Mcnabb, and Harrison R. Steeves
An Undescribed Insular Race of the Carolina Wren
Henry M. Stevenson
Growth, Development, and Food Habits of Young Pi
Gary C. Bateman and Russell P. Balda
Ecological Succession of Breeding Bird Populations in Northwestern Arkansas
Herman Henry Shugart Jr. and Douglas James
Colony Location by Leach's Petrel
Thomas C. Grubb Jr.
Body Weights and Lipids of Summering Mountain White-crowned Sparrows in California
Martin L. Morton, Judith L. Horstmann, and Cynthia Carey
Migration and Roosting of Chimney Swifts in East Texas
Edwin D. Michael and Wan-Tsih H. Chao
Song Recognition by Field Sparrows
Peter Goldman
The Distribution of Marine Birds in Chilean Waters in Winter
Joseph R. Jehl Jr.
Bird Collections in the United States and Canada
Richard C. Banks, Mary H. Clench, and Jon C. Barlow
Periodical Literature
The Auk
Notes and News
The Auk
General Notes
Magnificent Frigatebirds in Monterey Bay, California
Daniel H. Varoujean and L. J. V. Compagno
Habitat Preferences in Herring Gull Chicks
Cathryn Noseworthy, Sue Stoker, and Jon Lien
The California Condor in the Pacific Northwest
Sanford R. Wilbur
Egg Retrieval by Blue Geese
J. P. Prevett and L. S. Prevett
Shrike Prey Selection: Color or Conspicuousness?
Donald W. Kaufman
House Sparrows Feeding at Night in New York
R. K. Brooke
Starling Raises Brown-headed Cowbird
Harriet P. Thomas
Notes on Nectar Feeding by Orioles
Lanny H. Fisk
Turkey Vultures Casting Pellets
Amadeo M. Rea
Covers
Front Matter
The Auk
Back Matter
The Auk