W. Deppe, 1830,
Mexico = Jalapa, Veracruz.
Until recently considered conspecific with S. coerulescens and S. olivascens, but mentioned as potentially a separate species in HBW, and this now confirmed by genetic#R and vocal analysis. Has two song types, a whistled song with last note a slurred rising whistle (3), and a stuttering song (at least 2)#R; more rufous-buff belly (except in some cases brevicaudus, which may instead have a belly seemingly slatier than that of any other taxon in the complex) (1); and generally a longer white eyebrow (1). Race yucatanensis intergrades with grandis in Belize. Proposed race richardsoni (described from Colima, in W Mexico) is a junior synonym of plumbiceps. Six subspecies currently recognized.
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