A warbler of Anjouan in the Comoros. Accounts place it in forest undergrowth and dense vegetation, where it gleans small invertebrates from leaves. Some checklists recognize it as a species, while others treat it as a subspecies of the Malagasy Brush Warbler, N. typica.
The field guide gives a length of about 17 cm, with pale brownish-grey upperparts, greyish-white underparts, a pale eyebrow, a long graduated tail and fine streaking on the breast.
It is reported from forest undergrowth and dense vegetation, where it gleans invertebrates from leaves. A 2013 Comoros report also records it as a resident of forest on Anjouan.
An extinction-risk assessment has not been added yet.