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紅頭山雀 Red-headed Tit | by Hiyashi Haka
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紅頭山雀 Red-headed Tit

學名: Aegithalos concinnus

英名: Red-headed Tit

Family : Aegithalidae (長尾山雀科), Length: 10 cm

紅頭山雀全長約10cm,翼長約5cm。過眼線及臉為黑色,甚粗且長,延伸至後頸側。相較於山雀科,尾較長。

頭頂紅棕色,背部為灰色,頭至後頸為紅棕色;背部大致為暗灰色,飛羽羽緣為灰黑色,尾羽外側末端為白色;腰為淡紅褐色;腹面大致為白色,喉有墨色粗斑,胸有栗紅色橫帶,胸側及尾下覆羽為紅棕色。

亞成鳥:羽色大致似成鳥,但喉部無黑斑,下頸部有黑色橫帶,胸無栗紅色橫帶。

紅頭山雀,廣泛分布於台灣及華南一帶,近似亞種分布於西藏、西康、雲南、喜馬拉雅、阿薩密、緬甸和越南等地方。在台灣分布於中、低海拔山區,亦曾見於海拔3,000公尺處之闊葉林、針闊葉混合林,為普遍的留鳥。

 

紅頭山雀大抵棲息於樹林上層,常倒懸於枝椏上,並與畫眉科小型鳥類混群活動,捕食小昆蟲,或其幼蟲。牠們的頭上至後頸呈褐紅色,背部大致為暗灰色,黑色過眼線又粗又長,並延申到後頸側,在遠處觀察時很容易識別。

The Black-throated Tit is a small passerine, around 10.5 cm long and weighing 4-9 g. There is considerable racial variation in the plumage, but all subspecies have a medium length tail (as opposed to the long tail of the related Long-tailed Tit), a black throat and a black 'bandit mask' around the eye. The nominate race has a chestnut cap, breast band and flanks and dark grey back, wings and tail, and a white belly. The other subspecies have generally the same pattern (minus the chest band) but with grey caps or all grey bellies and flanks. Both sexes are alike. It ranges from the foothills of the Himalayas in Pakistan and northern India through large areas of southern China, northern Burma and Vietnam, and Taiwan. Disjunct populations also occur in southern Vietnam and the island of Hainan.

 

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Taken on January 21, 2011