SWIFT (Bird)
discussion: it-2 1048; g99 10/8 16-17
flight during sleep: g02 11/22 29
migration: g 10/14 7; g04 12/22 29
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SWIFT (Bird)
discussion: it-2 1048; g99 10/8 16-17
flight during sleep: g02 11/22 29
migration: g 10/14 7; g04 12/22 29