Contents
A New Subspecies of Curassow of the Genus Pauxi from Peru
John S. Weske and John W. Terborgh
Further Information on the Host Relations of the Parasitic Cowbirds
Herbert Friedmann
Effects of Colored Backgrounds on Food Selection by Penned Mourning Doves (zenaidura Macroura)
W. Reid Goforth and Thomas S. Baskett
Experimental Hybridization of the New World Quail (odontophorinae)
Paul A. Johnsgard
In Memoriam: Loye Holmes Miller
Hildegarde Howard
Orientation in Prairie Chickens
Raymond K. Anderson
The Feeding Ecology of Tanagers and Honeycreepers in Trinidad
Barbara K. Snow and D. W. Snow
A Radar and Direct Visual Study of Passerine Spring Migration in Southern Louisiana
Sidney A. Gauthreaux Jr.
Telemetry Studies of the Internal Body Temperatures of Ad
John C. Boyd and William J. L. Sladen
Life History of the Keel-billed Toucan
Alexander F. Skutch
The Distribution of Nocturnal Migrants in the Air Space
Frank C. Bellrose
Periodical Literature
The Auk
Obituaries
The Auk
Aou Committees 1970-71
The Auk
Notes and News
The Auk
General Notes
Wood Ducks Nesting in Chimneys
Paul A. Stewart
Great Horned Owls and Nesting Seabirds
Douglass H. Morse
Flapping Rates of Storks in Level Flight
M. P. Kahl
Northern Breeding Record for Reddish Egret
Griffing Bancroft
Injured Calliope Hummingbird Lifted by Another
Winton Weydemeyer
Cape Sable Sparrows Rediscovered on Cape Sable
Harold W. Werner
Thickness of 1967-69 Whooping Crane Eggshells Compared to that of Pre-1910 Specimens
Daniel W. Anderson and J. F. Kreitzer
Incidence of Deformed Bills in California Gulls (larus Californicus)
Jean Smith and Kenneth L. Diem
Food Habits of Black-crowned Night Herons in Southern Alberta
James W. Wolford and David A. Boag
A Specimen of the Little Gull from Northern Mississippi
W. Marvin Davis
A Documented Instance of Reverse Migration in the Pintail
Earl B. Baysinger and Richard D. Bauer
Herring and Ring-billed Gulls Paired or Courting in Maryland in January and February
Hervey Brackbill
Vestigial Erectile Crest in Picathartes
G. Michael Flieg
Covers
Front Matter
The Auk
Back Matter
The Auk