Vol. 9, No. 1 • March 1978

Western Field Ornithologists

Front Matter

Back Matter

 

 

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Contents

Main Articles

Roost Characteristics and Behavioral Thermoregulation in the Spotted Owl
Cameron Barrows, Katherine Barrows

Breeding Bird Densities, Species Composition, and Bird Species Diversity
of the Algodones Dunes
Kathleen E. Franzreb

Comments on the Status and Distribution of Western
and Mountain Bluebirds in Washington
Christopher J. Herlugson

Treasurer's Report
Philip P. Schaeffer

Notes

First Record of the Little Blue Heron for British Columbia and Washington
Wayne C. Weber, Eugene S. Hunn

Bald Eagle Concentrations in Glacier National Park
David S. Shea

White Pelicans Nesting at Honey Lake, California
Ian C. Tait, Fritz L. Knopf, Joseph L. Kennedy

Predation by a Rubber Boa on Chestnut-Backed Chickadees in an Artificial Nesting Site
William A. Copper, Clifford P. Ohmart, Donald L. Dahlsten