Closely related to C. pusilla, with which sometimes considered conspecific, especially in past; until recently, considered conspecific with †C. iredalei and C. aucklandica, but differs from latter in extensive dense barring across lower breast and flanks and sometimes most of belly (3); much weaker, paler brown markings on upperparts with much narrower buff fringes, producing much finer and far less blotchy streaking (2); and much more densely barred uppertail (2). Monotypic.
Snares Is (North-east and Broughton; recorded on Alert Stack).
Food and feeding
Status and conservation
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