Contents
Raptorial Birds in the Cliff Areas of Lava Beds National Monument, California
Joseph S. Dixon and Richard M. Bond
Communal Thought Versus Instinct
Robert S. Woods
Frequency of Occurrence of Birds in Alum Rock Park, Santa Clara County, California
Jean M. Linsdale and Thomas L. Rodgers
A Jay Shoot in California
Mary M. Erickson
Water Birds of the Boulder Dam Region
Dwight C. Smiley
Subspecific Appraisal of Red-breasted Sapsuckers
Joseph Grinnell
Minutes of Cooper Club Meetings
Frances Carter and Sidney B. Peyton
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
From Field and Study
A Northern Record for the Gray Titmouse in Oregon
Stanley G. Jewett
Parasites of Fish-eating Birds at Yellowstone Lake, Wyoming
Lowell A. Woodbury
Notes on Range of Bendire Thrasher in Arizona and New Mexico
Randolph Jenks and James O. Stevenson
Killdeer Nests on Roof of Building
Emerson A. Stoner
A Blue Goose Record from Utah
William H. Marshall
Some Winter Field Notes from Monterey County, California
O.P. Silliman and C. Van Blocker
The Harris Sparrow in Northwestern Montana
Winton Weydemeyer
Notes on the Saw-whet Owl
Alden H. Miller
Notes on Leg Colors of White Herons
Joseph J. Hickey
The Marbled Godwit and Sanderling in New Mexico
A. E. Borell
Spotted Owl Seen at Dundee, Oregon
Henry W. Decker
The Rocky Mountain Pigmy Owl in Montana
G. B. Castle
Five Species New to Colorado
Alfred M. Bailey and Robert J. Niedrach
Notes on Eggs of the California Jay
Emerson A. Stoner
Notes and News
Louis B. Bishop (portrait)
The Condor