swallow
Any bird of the family Hirundinidae of small, insect-eating birds in the order Passeriformes, with long, narrow wings, and deeply forked tails. Swallows feed while flying, capturing winged insects in the mouth, which is lined with bristles made viscid (sticky) by a salivary secretion.
| Species include the barn swallow Hirundo rustica and the purple martin Progne subis. |
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