Formerly treated as conspecific with N. lantzii, but the two occur sympatrically without interbreeding and they are not sister-species#R. Has also been considered conspecific with N. brevicaudata, but differs vocally. Race longicaudata sometimes treated as a separate species, but claim that its call is faster and higher-pitched, part-justifying its species rank#R, is not supported by the limited available evidence#R. Race ellisii previously subsumed within nominate (as in HBW), but validated in recent times#R#R. Five subspecies recognized.
Food and feeding
Status and conservation
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