P. L. Sclater, 1857,
San Andrés Tuxtla, Veracruz, Mexico.
Birds from S USA (Arizona) and NW Mexico, supposedly longer-billed, more olive above and more yellow below, described as race ridgwayi, and others, from Cozumel I, named as thyellophilum on basis of minute differences in mean culmen length (in small sample); both, however, considered indistinguishable from other populations. Monotypic.
S USA (S Arizona, S Texas) and Mexico (including Yucatán Peninsula and islands of Holbox and Cozumel) S to NW Costa Rica.
Food and feeding
Status and conservation
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