Contents
Observations on Bird Distribution and Feeding Assemblages along the Rio Callaria, Department of Loreto, Peru
Jared M. Diamond and John W. Terborgh
Reproductive Success of Red-winged Blackbirds in North Central Oklahoma
Stephen V. Goddard and Veryl V. Board
Behavioral Stereotypy in Birds
Peter H. Klopfer
Seed-size Preference in Chickadees and Titmice in Relation to Ambient Temperature
Becky A. Myton and Robert W. Ficken
The Influence of Vocal Behavior on the Performer's Testicular Activity in Budgerigars (melopsittacus Undulatus)
Barbara F. Brockway
Announcement
Wilson Bulletin
The President's Page
Wilson Bulletin
Ornithological News
Wilson Bulletin
Ornithological Literature
Wilson Bulletin
Proceedings of the Forty-eighth Annual Meeting
Pershing B. Hofslund
Covers
Back Matter (PDF)
Wilson Bulletin
Front Matter (PDF)
Wilson Bulletin
General Notes
Flightless Green-winged Teal in Southeast Missouri
John P. Rogers
Disgorging of Food by Wood Ducks
Paul A. Stewart
Buff-breasted Sandpiper in Northwestern Ohio
Richard S. Phillips
Egg Teeth and Hatching Methods of the Long-billed Curlew
Dennis M. Forsythe
Foreign Eggs in Nests of California Gulls
Kees Vermeer
Bonaparte's Gull Feeding on Walnut Meat
Robert C. Frohling
Josselyn Van Tyne's Common Nighthawk Nesting Return
Andrew J. Berger
Retarded or Arrested Cranial Development in Myiornis Ecaudatus
Raymond Mcneil and Aida Martinez
The Gaping Response of Nestling Bank Swallows
George W. Fulk
Seasonal Variation in Bill Length of House Sparrows
Gary C. Packard
Extralimital Breeding of Painted Buntings in Florida
John C. Ogden and Frank L. Chapman
Goldfinch Accept Young After Long and Short Incubation
Larry C. Holcomb
New Status for the Rufous-crowned Sparrow in Utah
Roland H. Wauer