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The Wilson Bulletin, Volume 84, Number 2 (1972)

Wilson Bulletin
2 (June)


Studies of the Brown Pelican. 119-135.
Ralph W. Schreiber, Robert W. Risebrough
Behavioral Responses of Migrating Birds to Daylight and Darkness: a Radar and Direct Visual Study. 136-148.
Sidney A. Gauthreaux, Jr.
Orientation Behavior of Night-Migrating Birds (European Robins) During Late Afternoon and Early Morning Hours. 149-163.
Wolfgang Wlltschko, Hiltrud Hock
Diurnal and Seasonal Activities of a Post-Breeding Population of Gulls in Southeastern Ontario. 164-172.
F. Cooke, R. K. Ross
Publication Notes and Notices. 172.
Variations in Songs of Vesper Sparrows in Oregon. 173-178.
Donald E. Kroodsma
Publication Notes and Notices. 178.
Factors Influencing Pellet Egestion and Gastric Ph in the Barn Owl. 179-186.
Charles R. Smith, Milo E. Richmond
Analysis of Measurements, Weights, and Composition of Common and Roseate Tern Eggs. 187-192.
Charles T. Collins, Mary Lecroy
The Role of Avian Rictal Bristles. 193-197.
Roger J. Lederer
Publication Notes and Notices. 197.
Ornithological News. 211.
Hawaiian Birds 1972. 212-222.
Andrew J. Berger
Ornithological Literature. 223-228.

General Notes

Probable Bulwer's Petrel Off Key West, Florida. 198.
Joseph W. Taylor
Spring Migration of the Gannet in Florida Waters. 198-199.
Terry C. Maxwell
Aerial Feeding in the Snowy Egret. 199-200.
James A. Kushlan
Observations on the Status, Ecology, and Behavior of Soras Wintering in Trinidad, West Indies. 200-201.
Michael Gochfeld
Young Common and Roseate Terns Learning to Fish. 201-202.
Mary Lecroy
Lek Behavior in the Broad-Tailed Hummingbird. 202-203.
David P. Barash
Evidence of Two Tree Swallow Females Sharing the Same Nest Box. 204.
Harvey Farber
Steller's Jays Prey on Gray-Headed Juncos and a Pygmy Nuthatch During Periods of Heavy Snow. 204-205.
Steven W. Carothers, N. Joseph Sharber, Russell P. Balda
Adult Carolina Chickadee Carries Young. 205-206.
John W. Goertz, Kim Rutherford
Habitat Differences of Swainson's and Hermit Thrushes. 206-208.
Douglass H. Morse
Breeding Status of the Purple Gallinule, Brown Creeper, and Swainson's Warbler in Illinois. 208-210.
William G. George

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