Last updated: December 19, 2009
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Il rondone comune

 

 

 

 

 

 

 

 

 

Please see also:

http://www.pz.nl/gierzwaluw/ click on "Nestkasten" (in Dutch)
http://website.lineone.net/~edwardmayer/Nestboxes&Attraction.htm (in English)
http://www.martingrund.de/apus/haus01.htm (in German)