The Cologne Bird Dairy is collecting continuously data about birds that have been visited around Cologne.
Cologne Bird Dairy
Cologne
50° 56' 15.1116" N, 6° 57' 37.0044" E
See map: Google Maps
Start date:
Monday, January 1, 2007 - 01:00
End date:
Monday, December 31, 2007 - 01:00
Website:
http://www.nabu-koeln.de/vogeltagebuch.php