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Down-tree Progress of Sitta Pygmaea
J. Eugene Law

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Notes on the Feeding Habits and Behavior of the California Clapper Rail
Laidlaw Williams

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The Harris Sparrow in Central Oklahoma
Margaret Morse Nice

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Notes on Water Birds at Morro Bay, California
Joseph Grinnell and Richard Hunt

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Editorial Notes and News
J. Grinnell

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Publications Reviewed: Bailey's the Birds of New Mexico
H. S. Swarth

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Minutes of Cooper Club Meetings
Hilda W. Grinnell, Harold Michener, and Harlan H. Edwards

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Back Matter (PDF)
The Condor

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Front Matter (PDF)
The Condor

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The Horned Owl an Enemy of Barrow Golden-eye
J. A. Munre

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Bears and Hawks' Nests
A. D. Henderson

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Vermilion Flycatcher Breeding in Coachella, California
Wilson C. Hanna

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Male Tree Swallow Feeding Nestling Robins
J. A. Munre

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Some Winter Birds at Tucson, Arizona
Loye Miller, Walter P. Taylor, and H. S. Swarth

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California Purple Finch Nesting in Alhambra, Los Angeles County, California
J. Stuart Rowley

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Evidence of a Barn Swallow Returning to the Same Nesting Site
J. A. Munre

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Least Bittern near Portland, Oregon
Ed. S. Currier

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The E B Richards Collection of Birds: Changes in Names
Margaret W. Wythe

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Eight-mile Consuses in 1927
Margaret M. Nice

On the Courtship of the American Bittern
J. A. Munro

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Bird Notes from Big Bear Lake, San Bernardino Mountains, during the Summer of 1928
Wright M. Pierce

Lesser Yellow-legs in Willamette Valley, Oregon
Ed. S. Currier

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Blackbirds Feeding on the Forest Tent Caterpillar
J. A. Munre

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A Shower of Grebes
Clarence Cottam