Description
L 13,5-15 cm. Breeds commonly and colonially in villages, farms, towns, also all kinds of open country; attached to houses, but also cliff faces in undeveloped areas. Summer visitor (April-October), winters in Africa. Outside breeding period roosts commonly in trees (not reeds). Confident towards humans, building its closed, convex mud nest beneath eaves on house walls, on bridge girders etc.. When young have fledged, birds often perch in numbers on telephone wires. Hunts insects at all levels, but often high in air. This Picture is made during a Vacation in Bulgaria in May 2018.
