Contents
Plumage Differentiation of Normal and Sex-anomalous Ring-necked Pheasants in Response to Synthetic Hormone Implants
G. Victor Morejohn and Richard E. Genelly
Voice and Social Behavior of the Chukar Partridge
Allen W. Stokes
Molt Cycles in Equatorial Andean Sparrows
Alden H. Miller
Range Expansion of the Brewer Blackbird in Eastern North America
Lawrence H. Walkinshaw and Dale A. Zimmerman
Notes and News
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
From Field and Study
Records of the Rarer Native Forest Birds of Kauai, Hawaii
Frank Richardson and John Bowles
Occurrence of the Cassin Race of the Peregrine Falcon in Uruguay
Rodolfo Escalante
Recent Shorebird Records for Montana
Robert S. Hoffmann and Ralph L. Hand
Least Flycatchers in Northwestern Washington and Central British Columbia
Robert C. Stein and Martin C. Michener
Brewer Blackbird Nesting in Eastern Michigan
Larry L. Wolf and Robert E. Grefe
Occurrence of the Oystercatcher and Curlew Sandpiper in Korea
Chester M. Fennell
Two New Records of Birds for California and Notes on Species of the Imperial Valley and Salton Sea Area of California
Eugene A. Cardiff
Correction
Irven O. Buss