Strikingly disjunct form trothae moderately distinct, differing in its paler, more orange-toned vs deeper chestnut nape, back, neck sides, breast and belly (1); broad pale grey vs grey-flecked chestnut rump (2); seemingly always white vs usually deep chestnut (but sometimes white) undertail-coverts (ns); on published evidence#R both sexes (means for males) with fractionally longer bill (20.9 mm vs 20.4) and wing (83.7 vs 82.5) but somewhat shorter tail (52.4 vs 56.1; for latter allow 1). Two subspecies recognized.
Food and feeding
Status and conservation
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