Western Birds

Vol. 44, No. 4

December 2013

Western Field Ornithologists

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Contents

Main Articles

Movements of the Mangrove Warbler in Baja California Sur
Cheryl L. Schweizer and Robert C. Whitmore

History of the Red-necked Stint Breeding in North America
Lucas H. DeCicco, Nils Warnock, and James A. Johnson

Estimating the Number of Territorial Males in Low-Density Populations
of the Sooty Grouse
James D. Bland

Apparent Extirpation of the Sooty Grouse from the Sky Islands
of South-Central California
James D. Bland

NOTES

The Distribution of Bubo virginianus pinorum North and West to Washington
Robert W. Dickerman

Records of the Black Merlin in New Mexico, with Comments on Its Identification
Robert W. Dickerman

Behaviors of Nestling and Juvenile Black Vultures in Northwestern Mexico
Marcelino Montiel-Herrera and Juan Pablo Gallo-Reynoso

Book Reviews Jeffrey L. Lincer

Featured Photo: Hybridization of the Black-footed and Laysan Albatrosses
Cameron Rutt

Erratum

Index Daniel D. Gibson

Front cover photo by © Luke Eberhart-Phillips, of Bielefeld, Germany: presumed male Red-necked Stint (Calidris ruficollis) brooding two of four chicks, Kigluaik Mountains, Seward Peninsula, Alaska, 30 June 2013, representing the species’ first confirmed nesting in North America in 37 years.

Back cover: “Featured Photos” by © Cameron Rutt of Blooming Glen, Pennsylvania: hybrid Laysan × Black-footed Albatrosses (Phoebastria immutabilis × P. nigripes) on Laysan, northwestern Hawaiian Islands. Top, presumed F1 hybrid; bottom, presumed F2 backcross to the Black-footed Albatross, paired with a likely female Black-footed Albatross.