It nests in sheds, farms and abandoned buildings, in a small nest made of mud and straw. It feeds on insects caught in flight. Call: a cheerful "fit-fit". Scientific name: Hirundo rustica Common name: Andoriña común Lenght: 17-21 cm Wingspan: 32-35 cm Population (yearly maximum, month): 500 birds, September Breeding pairs (average per year): 50-100 pairs Population trend (1988-2008): Stable Threat category: No data Listen his characteristic noise http://www.google.com