Mao Marru, Sumba.
Until recently considered conspecific with C. oscillans, but differs in its grey-tinged buff vs darker and purer grey head sides and underparts (2); whiter belly (ns[at least 1]); white vs buffy-rufous undertail-coverts (2); brighter brown above (1); larger size overall, with distinctly longer bill (on published evidence mean 18.4 mm#R vs 15.7#R or 15.2#R in males; sample size small but supported by available photographs and our inspection of museum material; allow 2); lowland vs montane habitat#R (requires confirmation; ns); possibly more frugivorous diet#R (ns); and apparently different song#R. Monotypic.
Sumba, in Lesser Sundas.
Food and feeding
Status and conservation
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