P. L. Sclater, 1858,
Río Javari and Río Ucayali, Peru.
Hitherto treated as conspecific with E. richardsoni, but (allowing for original description of E. a. purusianus, a form evidently intermediate in some respects between richardsoni and nominate aurantiicollis) differs in its fuller red crown (2); bright pale yellow narrow (vs dull ash-grey broad) hindcollar (3); orange-yellow (vs pale yellow) throat and somewhat stronger flame-red breast patch (2); orange vs yellow breastband on female (ns); larger bill (effect size 4.07, score 2) (race purusianus reportedly slightly smaller, so score for bill perhaps only 1). No close relatives apart from E. richardsoni, and these two the only lowland members of genus. Proposed race coccineus (from C Peru) now regarded as a synonym of nominate aurantiicollis. Two subspecies currently recognized.
Food and feeding
Status and conservation
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