Vol. 43, No. 1
Western Field Ornithologists
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
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
Extension of the Breeding Range of Costa’s Hummingbird in Southern Sonora
Adam Hannuksela, Teresa Skiba, Benjamin Zyla, and Amanda Proudman
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).