Contents
The Primitive Persists in Bird Life of Yellowstone Park
George M. Wright
A Wilderness-use Technique
Ben H. Thompson
Characters Differentiating Certain Species of Stercorarius
George Willett and Hildegarde Howard
The Type Localities of Three Birds Collected by Lewis and Clark in 1806
William B. Davis and James Stevenson
Minutes of Cooper Club Meetings
The Condor
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
From Field and Study
The Song of the Mountain Bluebird
Winton Weydemeyer
Unusual Mountain Bluebird Nests
Olaus J. Murie
A Record of the Cape May Warbler in Arizona
A. J. Rossem
Further Concerning Vernacular Names
J. Grinnell
Fossil Bird Remains from the Manix Lake Deposits of California
Lawrence V. Compton
Additional Records for the Barrow Region, Arctic Alaska
A. M. Bailey and L. B. Bishop
Wren-tit Banded in 1925 Again Trapped
E.L. Sumner
Bird Notes from the Farallon Islands
Clarence F. Smith
Unusual Nesting Records from Northern Arizona
Randolph Jenks
Apparent Promiscuity in the Violet-green Swallow
Frank F. Gander
Notes on Food Habits of Juncos
Lincoln Ellison
Sea Gull Lives Again
Albert M. Ingersoll
Nuttall Poor-will on the Oregon Coast
Alex Walker
The Little Blue Heron in California
Loye Miller
Goose Footprints on a Pliocene Mud-flat
Alden H. Miller and James F. Ashley
Arizona Records of the Thick-billed Parrot
Charles T. Vorhies
Notes and News
Clinton G Abbott (portrait)
The Condor