See C. falcularius and C. trochilirostris. Hitherto treated as conspecific with C. probatus and C. multostriatus, but differs in characters given under those species. Taxon successor shown to be a composite, now treated as junior synonym of C. trochilirostris notabilis#R. Name gyldenstolpei established for birds W of R Madeira and S of Amazon, originally at species level#R, but vocally#R and genetically very close to race sanus of present species, itself poorly distinguishable morphologically from nominate. Assessment of geographical variation complicated by marked individual variation in general coloration, and extent and width of streaking on both back and underparts. Three subspecies recognized.
Food and feeding
Status and conservation
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