Mynall and Travancore–Tinnevelly boundary, 4000 feet [c. 1220 m], south India.
Until recently judged to be conspecific with T. fairbanki, but analysis indicates considerable divergence#R; differs in its bold white vs vestigial white central belly to vent (2); distinct broad grey and whitish vs indistinct grey and brown streaks on breast (2); short vs long white supercilium and no narrow white beading on lower eyelid (2); paler, less contrasting crown (ns); colder, greyer upperparts (ns); slightly longer tail in male (effect size 1.52, score 1). Monotypic.
S from Achankovil Gap, in extreme S Kerala and extreme S Tamil Nadu (S of c. 9° N), extreme S India.
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