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出典:Wiktionary
出典:『Wiktionary』 (2025/12/27 19:51 UTC 版)
From blue + bill.
bluebill (plural bluebills)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/04 08:15 UTC 版)
The bluebills are the genus Spermophaga of the estrildid finches. These birds are found in tropical Africa. They are gregarious seed-eaters with short, thick, blue and red bills. All have plumage which is mainly crimson and black or dark grey.
名詞の変化形:
Bluebill