A. B. Meyer, 1878,
Closely related to S. dicruroides, S. lugubris and S. velutinus, with which commonly considered conspecific, but evidence assembled by recent authors#R#R indicates that it differs in distinct song (allow 3); velvety purplish-black vs glossy head and mantle of lugubris and dicruroides (2); longer tail than lugubris and dicruroides (1) and much longer tail than velutinus, based on published data#R (effect size 2.98; score 2); more barring on undertail and undertail-coverts (2). Monotypic.
Sulawesi and Butung E to Obi, Bacan and Halmahera (N Moluccas).
Food and feeding
Status and conservation
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