J. F. Gmelin, 1789,
Malabar Coast, India.
Distinctive race blythii has commonly been treated as a separate species since 2005#R on basis of differences in plumage, proportions and voice, but there is much mensural overlap, vocal distinctiveness has not yet been shown, and plumage characters are too variable to provide diagnosis except for the (slightly more extensive) white vs grey hood, most obvious in male (score 3); moreover, genetic divergence “so small... that all taxa are better retained in a single species”#R. Proposed race assamica (described from Naga Hills, in NE India) synonymized with nemoricola. Type locality of species falls outside breeding range of nominate race and instead within range of blythii, but in non-breeding season both forms can occur in this region; name presumably based on specimen of visiting individual. Three subspecies currently recognized.
Introduced (race uncertain) in Taiwan#R.
Food and feeding
Status and conservation
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