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Japanese grosbeak : ウィキペディア英語版 | Japanese grosbeak
The Japanese grosbeak (''Eophona personata'') is a finch native to East Asia. It is also sometimes referred to as the Japanese or masked hawfinch due to superficial similarities to the well-known Eurasian species. ==Description== This is a large finch, with a reported weight of (for a single male) and a length of . Among standard measurements, the wing chord is , the tail is and the culmen is . The signature feature of the Japanese grosbeak is its large, pointed bright yellow bill. The adult grosbeak has a large black marking extending from the nape to the chin and ear-coverts to the neck. The side of the neck is a contrasting pale whitish grey. The bird's underside is a more dull grey. The back is greyish-brown while the flanks are washed with a gingery or tawny-brown colour. The wings and tail are black but for a white patch on the inner-coverts and band of white in the middle of the primaries, which is visible in flight. Juveniles are a duller grey overall with no black on head. The subspecies, ''E. p. magnostris'' is slightly larger than the nominate race. It is also generally paler in tone with a smaller white patch the on primaries. Among the vocalizations issued by Japanese grosbeaks include a short but hard ''tak tak'' note given in flight. The song of these birds consists of a series of four flutey whistles.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Japanese grosbeak」の詳細全文を読む
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