Trochilus (——?) auriceps
Formerly treated as one of many races of C. mellisugus (which see); an alternative was, on basis of bill colour, to treat the five N races (present species with forficatus, canivetii, osberti and salvini) as a separate species. A more radical evaluation of the complex#R is largely followed here but, owing to both the sheer number of taxa in the original complex and the diaspora of specimen material, comparisons between taxa and decisions on their taxonomic status are limited mainly to geographical neighbours. Thus, present form is specifically distinct from geographically closest member of the C. mellisugus complex, C. canivetii, on account of much longer and narrower rectrices (allow 3); strong golden wash on crown and upperparts in male (2); greyer lower underparts in male (1); female with white base of outer rectrix vs white on mid-length in canivetii#R (1); and, as the characters in canivetii are shared by other taxa except forficatus (see below), the status of auriceps as a species is accepted here. Monotypic.
W & C Mexico from Sinaloa and SW Durango S to Guerrero and Oaxaca, and inland to S Morelos.
Food and feeding
Status and conservation
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