jsk_ppp 15/02/2021 16:53
Sulphur-breasted Warbler 黑眉柳鶯
9 January 2021 Tai Po Kau
Roman 15/02/2021 18:11
This is Hartert's Leaf Warbler, please refer to some post of same situation in recently months
bittern 16/02/2021 01:29
Indeed this is a Hartert's Leaf Warbler, subspecies [i]goodsoni[/i].
A Sulphur-breasted Warbler would have yellow underparts right down to the belly and flanks.