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european swallow (Hirundo rustica); swallow (Hirundo rustica) | |||
swallow (Hirundo rustica, (Hirundo rustica erythrogaster)); barn swallow (Hirundo rustica, (Hirundo rustica erythrogaster)); common swallow (Hirundo rustica, (Hirundo rustica erythrogaster)) | |||
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swallows (Hirundo) |