eWestern Birds

Contents

MAIN ARTICLES

One Year of Migration Data for a Western Yellow-billed Cuckoo
Juddson D. Sechrist, Eben H. Paxton, Darrell D. Ahlers, Robert H. Doster, and Vicky M. Ryan

Irruptive Migration of Chestnut-backed Chickadees
to Southwestern Idaho
Jay D. Carlisle

Factors Affecting the Behavior of Brown Pelicans at a Post-Breeding Roost
Sadie K. Wright, Daniel D. Roby, and Robert G. Anthony

Use of Nest Boxes by Cactus Wrens in Orange County, California
Robert A. Hamilton, Jutta C. Burger, and Susan H. Anon

NOTES

Extension of the Breeding Range of Costa’s Hummingbird in Southern Sonora
Adam Hannuksela, Teresa Skiba, Benjamin Zyla, and Amanda Proudman

Featured Photo: Extralimital Sage Sparrows on the Central Valley Floor North of the Tulare Basin with Notes on Subspecies Status and Identification
John C. Sterling and Matt Brady

Front cover photo by © Todd Easterla of Rancho Cordova, California: Common Ringed Plover (Charadrius hiaticula), Davis Wetlands, Yolo County, California, 21 August 2011. Though this species breeds on St. Lawrence and St. Matthew Islands in the Bering Sea, and has been recorded as a migrant elsewhere in western Alaska, the individual depicted on this issue’s cover is the first recorded elsewhere in western North America.

Back cover “Featured Photos” by © John Sterling of Woodland, California: Interior Sage Sparrow (Amphispiza belli nevadensis), Sherman Island, Sacramento County, California, 22 November 2011 (top); Bell’s Sage Sparrow (Amphispiza belli belli), Rayhouse Road, Yolo County, California, 19 May 2007 (bottom).