Barn Swallow
haarapääsky · Hirundo rustica

Photo: Andreas Trepte, CC BY-SA 2.5
Family: Hirundinidae (Pääskyt) · Size: 17–21 cm
The barn swallow is the most widespread species of swallow in the world, occurring on all continents, with vagrants reported even in Antarctica. It is a distinctive passerine bird with blue upperparts and a long, deeply forked tail. In Anglophone Europe, it is just called the swallow; in northern Europe, it is the only member of family Hirundinidae called a "swallow" rather than a "martin".
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