Guiraca caeruleaAAP086CB.jpg
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Guiraca caeruleaAAP086CB, Passerina caerulea (illustrations)
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Guiraca caeruleaAAP086CB, Blue Grosbeak, ''''Passerina caerulea'' (syn. ''Guiraca caerulea''), offset reproduction of watercolor, The differences in plumage of a blue grosbeak, from top to bottom, between a breeding male (alternate plumage), a non-breeding male (basic plumage), a female, and the related indigo bunting, The differences in plumage of blue grosbeak, from top to bottom, between a breeding male (), a non-breeding male (), a female and a related indigo bunting
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ギラカ・カエルレアAAP086CB、イトヨリガイ
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ギンチャクヒメウズラ、ブルー・グロスビーク、ギンチャクヒメウズラ、水彩の相殺繁殖、青色のグロスビークの羽毛の上下の違い。
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