Nogoma (English spelling) Siberian ruby-throat

Japanese: ノゴマ(野駒) - ノゴマ（英語表記）Siberian ruby‐throat

A passerine bird of the family Flycatcher. Total length about 16cm. Olive brown above, lighter below. Males have a prominent bright red marking on their throats, but females do not. The eyebrows and jaw line are white. They breed in the Himalayas from central Siberia to Primorsky Krai and Kamchatka, and those from the north migrate to South Asia in winter. They arrive in Japan as summer birds in April and May, and breed in Hokkaido. In Honshu and south, they only pass through in spring and autumn as migrants, but they have been confirmed to live on Mt. Hayachine in Iwate Prefecture in summer, so they may breed there.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

スズメ目ヒタキ科の鳥。全長約16cm。上面オリーブ褐色で下面は淡色。雄はのどによく目だつ鮮紅色の斑紋をもつが，雌にはそれがない。眉斑と顎線（がくせん）は白い。中部シベリアから沿海州，カムチャツカにかけてとヒマラヤで繁殖し，北のものは冬季南アジアに渡る。日本には夏鳥として4,5月に渡来し，北海道で繁殖する。本州以南では旅鳥として春と秋に通過するだけだが，岩手県早池峰山では夏季に生息が確認されているので，繁殖するかも知れない。

出典　株式会社平凡社世界大百科事典第２版について　情報

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