Western Birds

Vol. 20, No. 1March 1989

Western Field Ornithologists

Front Matter

Back Matter


Western Birds 45(4) Front Cover


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Main Articles

Diets of Five Species of Desert Owls
Cameron W. Barrows

First Record of the Common Black-Hawk for California
Brian E. Daniels, Loren Hays, Debra Hays, Joseph Morlan, Don Roberson

The Breeding Birds of Alcatraz Island
William I. Boarman

First Record of the White-Collared Swift in California
Richard A. Erickson, Joseph Morlan, Don Roberson


Diving Times and Behavior of Pigeon Guillemots and Marbled Murrelets off Rosario Head, Washington
Asa C. Thoresen

Least Auklet in California
Stephen F. Bailey


Cover photo © Bruce Webb, of Sacramento, California: Ross’ Goose (Chen rossit), Sacramento, California, March 1988.