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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Craniata (craniates)
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Euteleostomi (bony vertebrates)
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Tetrapoda (tetrapods)
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Amniota (amniotes)
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Sylvoidea (Old World warblers and relatives)
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Genus Pygochelidon
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Subspecies Pygochelidon cyanoleuca cyanoleuca
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Subspecies Pygochelidon cyanoleuca patagonica
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Subspecies Pygochelidon cyanoleuca peruviana
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Pygochelidon cyanoleuca
blue-and-white swallow