Tropical Parula (Setophaga pitiayumi)

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“…This individual showed extensive white on the underside of the outermost rectrices and relatively broad white wing bars, indicating the northwestern subspecies pulchra, which breeds as far north as Sonora, Mexico (Regelski and Moldenhauer 2012). Comprising nine subspecies, the Tropical Parula is a widely distributed resident in the forests of South America (though absent from the Amazon Basin), Central America, and Mexico (Regelski and Moldenhauer 2012). The northernmost breeding populations, in southern Texas in the United States (S. p. nigrilora) and in Sonora and Chihuahua in northern Mexico (S. p. pulchra), generally migrate south for the winter, though small numbers remain in these regions year round (Regelski and Moldenhauser 2012).…”

“…It was the first Tropical Parula for California and the first to winter in the United States west of Texas. This individual showed extensive white on the underside of the outermost rectrices and relatively broad white wing bars, indicating the northwestern subspecies pulchra, which breeds as far north as Sonora, Mexico (Regelski and Moldenhauer 2012). Comprising nine subspecies, the Tropical Parula is a widely distributed resident in the forests of South America (though absent from the Amazon Basin), Central America, and Mexico (Regelski and Moldenhauer 2012).…”