Support the extension
E. Roels ( www.xeno-canto.org )
The most common swallow of the countryside is the Barn Swallow. With its long, forked tail it is an elegant appearance on farms. And very useful: it is capable of eating huge numbers of flies and mosquitoes.
http://en.wikipedia.org/wiki/Hirundo_rustica
http://eol.org/data_objects/21266964