Vol. 12, No. 4 • December 1981
Western Field Ornithologists
A Checklist of the Birds of Oregon. 145-156.
Thomas J. Crabtree, Harry B. Nehls
Time of Day and Desert Bird Censuses. 157-172.
Wesley W. Weathers, Wilbur W. Mayhew
Index, Western Birds, Volume 12, 1981. 187-192.
A Sandwich Tern in California. 181-182.
Fred C. Schaffner
Prey-Induced Mortality of a Pied-Billed Grebe. 183-184.
Robert A. Behrstock
Cover photo by Ray Ekstrom: Saw-whet Owl (Aegolius acadicus), 20 October 1976, Killgore Hills in Shasta Valley near Yreka, Siskiyou County, California. Nikkormat FTN, 200 mm lens with flash,f/8, K-64 film.