LANDBIRD AND WATERBIRD NOTES FROM ISLA GUADALUPE, MEXICO

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Published: 2004-10-01
DOI: https://doi.org/10.21199/WB35.4.1

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DANIEL C. BARTON
sland Conservation and Ecology Group, University of California, 100 Shaffer Rd., Santa Cruz, California 95060 and Point Reyes Bird Observatory, 4990 Shoreline Highway, Stinson Beach, California 94970
KIRSTEN E. LINDQUIST
Island Conservation and Ecology Group, University of California, 100 Shaffer Rd., Santa Cruz, California 95060 and Point Reyes Bird Observatory, 4990 Shoreline Highway, Stinson Beach, California 94970
ROBERT W. HENRY III
Island Conservation and Ecology Group, University of California, 100 Shaffer Rd., Santa Cruz, California 95060
LUCIANA MAGNOLIA LUNA MENDOZA
Grupo de Ecología y Conservación de Islas, A. C., Avenida Lopez Mateos 1590-3, Fracc. Playa Ensenada, Ensenada, Baja California 22880

Abstract

We report observations of land- and waterbirds from a 2-month visit to Isla Guadalupe, Mexico, during winter 2003. Our report includes first island records of the Spotted Sandpiper (Actitis macularius) and Palm Warbler (Dendroica palmarum). We found no evidence of the persistence of any endemic taxon thought to be extinct, despite intensive and extensive searching of parts of the island typically visited infrequently. Three taxa of endemic landbirds remain on Isla Guadalupe, but each is imperiled by the continued presence of introduced cats. We update the status of species that other expeditions reported to have colonized the island recently.

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Vol. 35 No. 4 (2004)

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Articles