E. J. O. Hartert, 1897,
Dos Arroyos, near Chilpancingo, Guerrero, Mexico.
Often (including in HBW) considered conspecific with P. longirostris but tentatively split by some authors#R, differing from geographically closest populations of longirostris in its much larger size (effect size 8.08 for tail length although n=4) (3); bright rusty (vs whitish) base of whitish moustachial stripe and bright rusty (vs buffy-white) supercilium (3); duller, greyer underparts (much less of a whitish belly) and with mesial stripe stopping at bottom of throat, not vaguely spreading onto breast and mid-belly (2); moreover, recent evidence#R indicates distinct differences in song (at least 2). This split is strongly supported by recent genetic study#R. Two subspecies currently recognized.
Food and feeding
Status and conservation
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