eWestern Birds
The Quarterly Journal of Western Field OrnithologistsVol. 43, No. 4
December 2012
Western Field Ornithologists

Contents
MAIN ARTICLES
Robert W. Dickerman: A Brief Introduction
Andrew B. Johnson
Geographic Variation in Wintering Greater White-fronted Geese
Richard C. Banks
Alaska Records of the Asian White-winged Scoter
Jon L. Dunn, Daniel D. Gibson, Marshall J. Iliff, Gary H. Rosenberg, and Kevin J. Zimmer
A Vaux’s Swift Specimen from New Mexico with a Review of Chaetura Records from the Region
Andrew B. Johnson
Differential Migration by Sex in North American Short-eared Owls
Christopher C. Witt and Robert W. Dickerman
On Two Fronts: Occurrence of the House Sparrow in Alaska
Daniel D. Gibson
NOTES
The Wretched Riddle of Reduced Rectrices in Wrens
Kevin Winker
First North American Record of the Common Moorhen (Gallinula chloropus) Confirmed by Molecular Analysis
Jack J. Withrow and Michael T. Schwitters
Classification of the House Finch of the Channel Islands, Southern California
Philip Unitt
Book Review
M. Ralph Browning
Featured Photo: First Documented Record of a Common Ringed Plover (Charadrius hiaticula) for California
John C. Sterling and Todd B. Easterla
Index
Daniel D. Gibson
Front cover photo by © Vivek Khanzode of Sunnyvale, California: Falcated Duck (Anas falcata), Colusa National Wildlife Refuge, Colusa County, California, 31 December 2011. In western North America, the Falcated Duck is known from only a few occurrences, and most away from the islands of western Alaska have been thought to represent escapees from captivity. The California Bird RecordsCommittee has accepted three records for California, including this.
Back cover: “Featured Photos” by © Todd Easterla of Rancho Cordova, California: Common Ringed Plover (Charadrius hiaticula), Davis Wetlands, Yolo County, California, 21 August 2011. This Old World counterpart of the Semipalmated Plover breeds on St. Lawrence Island, Alaska, and is a rare migrant elsewhere in western Alaska,but these photos are the first taken of the species in western North America outside Alaska.