Tai-ping-sze, central Hainan.
Until recently considered conspecific with C. hardwickii, but differs genetically#R and also morphologically, by its glaucous-grey vs yellowish-green crown in male (2); indigo vs black breast in male (ns); cobalt-blue (and seemingly less visible, often concealed) vs iridescent pale turquoise “shoulders” in male (2); all-green vs yellow central underparts (upper belly to undertail-coverts) in female (3). Reportedly intergrades with C. hardwickii in N Laos, possibly also in SW China; research on contact zone(s) needed. Population in SC Vietnam (including Da Lat Plateau), currently included in race melliana, may represent a separate, as yet undescribed race; further study required. Two subspecies recognized.
Food and feeding
Status and conservation
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