any of numerous compact, very long-winged passerine birds on the family members Hirundinidae, pointed out for their swift, graceful flight and with the extent and regularity in their migrations Local climate transform may well have an effect on the barn swallow; drought will cause weightloss and sluggish feather regrowth, https://swallow77665.blogerus.com/54378067/the-best-side-of-swallow