Until recently considered conspecific with C. saularis, but genetic evidence places non-Philippine forms of C. saularis closer to Malagasy C. albospecularis than to present species#R, which differs from C. saularis in its unique combination of white belly and all-black tail (3); slightly paler grey throat and breast in female (1); smaller size, with notably shorter bill and wing (effect size for male wing –4.28; score 2); song lacking well-separated, repeated strophes (1), on average shorter notes and faster pace (ns), and with maximum frequency and frequency range lower (at least 1)#R. Proposed race deuteronymus (Luzon), separated on lightly barred buff wash of lower underparts of female, regarded as too weak to merit recognition and thus merged with mindanensis. Monotypic.
Food and feeding
Status and conservation
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