eWestern Birds

Contents

MAIN ARTICLES

Northward Range Expansion by the Short-tailed Hawk, with First Records for New Mexico and Chihuahua
Sartor O. Williams III, John P. DeLong, and William H. Howe

Summer Distribution, Abundance, and Habitat Use of Black-necked Stilts and American Avocets in California’s Central Valley
W. David Shuford, Joan M. Humphrey, Robert B. Hansen, Gary W. Page, Lynne E. Stenzel, and Catherine M. Hickey

Geographic Variation in Cactus Wren Songs
Jonathan L. Atwood and Susannah B. Lerman

Evidence of Double-Clutching by Brandt’s Cormorants on Alcatraz Island, California
Benjamin L. Saenz and Julie A. Thayer

NOTES

Noteworthy Bird Records from Sinaloa, México
Marco Antonio González-Bernal, José Alfredo Castillo-Guerrero, Cecilia del Rocío Hernández-Celis, and Eric Mellink

Intermediate Egret (Egretta intermedia) in the Aleutian Islands, Alaska
Stephan Lorenz and Daniel D. Gibson

Book Reviews
Richard A. Erickson and Jay Withgott

Featured Photo: Leucistic Grebe at Mono Lake—An Identification Challenge
Len Blumin

Front cover photo by © Larry Sansone of Los Angeles, California: Snowy Owl (Bubo scandiacus), Grizzly Bay, Solano County, California, 22 January 2007.

Back cover “Featured Photo” by © Len Blumin of Mill Valley, California: Leucistic grebe (Podiceps sp.), Mono Lake, Mono County, California, 14 October 2006.