Alström et al., 2016,
Mawphlang, Khasi Hills, Meghalaya, India.
Until recently#R considered conspecific with (and not even subspecifically distinct within) Z. mollissima, so that different voice was thought to be a second song of latter#R. In fact, it differs from Z. mollissima (as circumscribed here, with former race Z. griseiceps treated under that species) in a long series of subtle plumage and bare-part colour characters, including more rufous-toned upper surface (1); slightly different face pattern (ns); less contrastingly patterned wing-coverts and primaries (ns); darker base of lower mandible (1); and pale vs dark claws (ns); but also in its longer bill (effect size on published data 1.65, score 1); shorter wing (effect size −1.29, score 1); parapatric occurrence along (below) the forest/alpine ecotone (3); and much more musical and “thrush-like” song, mixing rich, drawn-out clear notes and shorter, thinner ones vs mainly harsh scratchy notes (as described under Z. mollissima), hence maximum frequency of half the notes below 4 kHz vs all notes above 4 kHz (2) and minor differences in a range of published parameters (1)#R. Differs from Z. griseiceps in its shorter bill, wing and especially tail and tarsus (effect size for tarsus −4.91, score 2); lack of grey on forehead to nape (1); more contrasting face pattern (1); blotchier, less evenly streaked ear-coverts (1); song less deep and rich, with less drawn-out, musical notes, faster overall speed, and on average less halting endings to strophes, hence 0–1 vs 3–6 notes per song strophe below 2.5 kHz (2) and strophes on average longer (1)#R. Monotypic.
E Himalayas from Sikkim and N West Bengal (NE India) E to S & SE Xizang and W Yunnan (S China); single records from S Sichuan and SE Yunnan. Non-breeding at lower altitudes to as far S as Meghalaya and Manipur (NE India) and N Vietnam.
Food and feeding
Status and conservation
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