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The Barn Swallow, scientifically known as Hirundo rustica, is a species of bird within the family Hirundinidae. It belongs to the order Passeriformes, class Aves, and phylum Chordata. The taxon was described by Linnaeus in 1758 and is the nomenclatural type of the genus Hirundo. Common names for this organism include Rauchschwalbe and Golondrina Común.

This diurnal species has a wingspan of 0.32 and an egg incubation period of 13.5 days, with a typical litter size of 5. Its range includes Brazil, Hefei, China, and the Nanling Mountains. The International Union for Conservation of Nature lists the Barn Swallow as Least Concern, a status recorded in 2019, although it holds a regional conservation status of Near Threatened. It has received the award of Bird of the Year.