Hartlaub and Finsch, 1872,
Until recently considered conspecific with E. tenuirostre, but differs from all taxa in that complex (here split from HBW arrangement into nine species) in its very small size (allow 4); scalier rump in female (2) except against E. nesiotis and E. remotum heinrothi (discounting variable vague grey scaling in E. t. tenuirostre); and fairly distinctive call, a mellow upslurred whistle (2)#R. This last is shared with E. nesiotis, from which it differs in its smaller size (4); blacker plumage in male (1); much less rusty ground colour in female (2); barring all across underparts in female (2); and less extensive vocabulary (1). Differs from E. r. heinrothi in its small size (4); much more spaced barring on female below, with chin plain (2); and voice (2). Name monacha is a noun, and thus invariable#R. Monotypic.
Palau Is (Babelthuap to Peleliu).
Food and feeding
Status and conservation
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