eWestern Birds

The Quarterly Journal of Western Field Ornithologists

Vol. 34, No. 4
December 2003
Western Field Ornithologists

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Activity Patterns of White-throated Swifts in California
Thomas P. Ryan and Charles T. Collins

Seasonal Population Fluctuation of White-throated Swifts at Roost Sites in Southern California
Thomas P. Ryan and Charles T. Collins

Social Behavior of White-throated Swifts
Thomas P. Ryan and Charles T. Collins

Diet of Breeding White-throated and Black Swifts in Southern California
Allison D. Rudalevige, Dessie L. A. Underwood, and Charles T. Collins

Molt, Plumage, Body Mass, and Morphometrics of a Population of the White-throated Swift in Southern California
Manuel Marín

Characteristics of Trees Used by Nesting and Roosting Vaux’s Swifts in Northwestern California
John E. Hunter and M. J. Mazurek

Declines in the Breeding Population of Vaux’s Swifts in Northeastern Oregon
Evelyn L. Bull

Purple Martin Population Status, Nesting Habitat Characteristics, and Management in Sacramento, California
Daniel A. Airola and Jesse Grantham

Book Reviews
David Lukas and Steve N. G. Howell

Featured Photo
Marshall J. Iliff

Philip Unitt

Front cover photo by © Larry Sansone of Los Angeles, California: White-throated Swift (Aeronautes saxitalis), Kern River, Tulare County, California, 26 June 2003.

Back cover “Featured Photo” by © Marshall J. Iliff of Costa Mesa, California, Bell’s Sparrow (Amphispiza belli belli), Vizcaino Peninsula, Baja California Sur, Mexico, 23 September 2002.