Contents
The Spring Behavior and Wild Steller Eiders
F. Mckinney
Variation in Avian Brain Weights with Special Reference to Age
Richard R. Graber and Jean W. Graber
Observation on a Pair of Gray Hawks in Southern Arizona
Curt Stensrude
An Analysis of Prairie Warblers Killed in Florida during Nocturnal Migration
Val Nolan Jr. and Russell E. Mumford
The Nesting of the Belted Flycatcher
Miguel Alvarez Del Toro
The Cactus Wrens on the Santa Rita Experimental Range, Arizona
Anders H. Anderson and Anne Anderson
Notes and News
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
From Field and Study
Allopreening in the Gray-barred Wren
Bruce G. Wlliott and John Davis
Correction of Erroneous Records of the Ash-throated Flycatcher for Northern Guatemala and Yucatan Mexico
Wesley E. Lanyon
Bird Records from Midway Atoll, Pacific Ocean
Harvey I. Fisher
Black Brant Summering at Salton Sea
John H. Nowak and Gale Monson
A Record of the Groove-billed Ani in Southern Nevada
Pauline Long and Florence E. Poyser
Notes on the Owls of the Tres Marias Islands, Nayarit, Mexico
James R. Northern
Oregon Juncos Collected in Massachusetts
James Baird
Long Nest Attentiveness for a Cardinal
Larry C. Holcomb
Loggerhead Shrike Kills Mourning Dove
Russell P. Balda