Contents
Flock Social Behavior of the Orange-fronted Parakeet
John William Hardy
Gonadal and Behavioral Cycles in the Great-tailed Grackle
Robert K. Selander and Ronald J. Hauser
The Auditory Range of a Hairy Woodpecker
Warren K. Ramp
Notes and News
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
From Field and Study
Unusual Behavior of a White-tailed Tropic-bird in California
Wes Hetrick and Guy Mccaskie
Longevity Record of a Black-footed Albatross
Charles F. Yocom
Louisiana Waterthrush in Baja California
Lester L. Short Jr. and Richard C. Banks
Notes on the Behavior of the Rufous-winged Sparrow
Anders H. Anderson
Pyrrhuloxia Feeding on Cactus Fruits
Louis N. Locke
American Oystercatcher on Anacapa Island, California
Waldo G. Abbott
Eagle Versus Fish
Joseph R. Blum
Cattle Egret in Guerrero, Mexico
Martin H. Edwards
Allen Hummingbird on Cedros Island, Baja California
O. Marcus Buchanan