Clytorhynchus nigrogularis sanctaecrucis
Santa Cruz (= Nendo), Santa Cruz Islands.
Previously considered conspecific with C. nigrogularis, but differs in its (in male) black vs grey or brown crown (2); sooty vs greyish-brown mantle, wings and tail (2); silky-white vs greyish-buff underparts (ns); (in female) dark brown vs rufous-brown (paler below) overall (3); and (in both sexes) overall smaller size, with no overlap in four measurements (at least 2); shallow vs heavy (and differently coloured) bill (2); and tail-cocking habit, perhaps associated with much greater terrestrial behaviour (1)#R. Monotypic.
S Santa Cruz Is (Nendo), in extreme E Solomons.
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