Formerly placed in genus Leucotreron. Until recently, considered conspecific with R. subgularis and R. mangoliensis, but differs from both#R in its honey-buff belly patch (2); paler chestnut vent and undertail-coverts (1); smaller bill (effect size –2.173, score 2); longer wing (effect size 1.58, score 1); and different song (highly divergent from subgularis, score 3; slightly divergent from mangoliensis, score 1). Proposed name restrictus is synonymized with epius. Monotypic.
Food and feeding
Status and conservation
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