オーストラリアオタテガモ
1. Blue-billed DuckThe Blue-billed Duck (Oxyura australis) is a small Australian stiff-tailed duck, with both the male and female growing to a length of 40 cm (16 in). The male has a slate-blue bill which changes to bright-blue during the breeding season, hence the duck’s common name (see photo). The male has deep chestnut plumage during breeding season, reverting to a dark grey. The female retains black plumage with brown tips all year round.
Read “Blue-billed Duck” on English Wikipedia
Read “オーストラリアオタテガモ” on Japanese Wikipedia
Read “Blue-billed Duck” on DBpedia
Read “Blue-billed Duck” on English Wikipedia
Read “オーストラリアオタテガモ” on Japanese Wikipedia
Read “Blue-billed Duck” on DBpedia
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