Usually considered conspecific with H. novaeseelandiae, but differs in its grey vs blue-green rump and primary wing-coverts (3); matt blackish-grey vs glossy dark green crown, throat, breast and neck-sides (3); reduced dull maroon carpal area (2); dark green vs whitish undertail-coverts (ns); darker tail (ns); much stouter bill (not measured, but estimated at 2); also modest genetic divergence#R. Monotypic.
Food and feeding
Status and conservation
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