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Swallow Hirundo rustica L 19cm. Recognised in flight by pointed wings and long tail streamers. Sexes are similar but male has longer tail streamers than female. Adult has blue-black upperparts and white underparts except for dark chest band and brick-red throat and forecrown. Juvenile is similar but has shorter tail streamers and buff throat. Voice Utters sharp vit call in flight; male sings twittering song, often from overhead wires near nest. Status Common and widespread in summer. Usually nests in villages and farmyards, half cup-shaped mud nest typically sited under eaves or in barn. Migrants congregate over freshwater and roost in reedbeds.