Closely related to S. celebensis, with which sometimes considered conspecific. Recent vocal evidence (none available for S. celebensis) suggests a close evolutionary relationship with S. bukidnonensis#R. Monotypic.
Obi and Bacan (N Moluccas). Claimed occurrence on Ternate and Halmahera probably erroneous, due perhaps to inaccurate museum labels and misidentification.
Food and feeding
Status and conservation
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