Links
Schweizerische Vogelwarte Sempach
http://www.vogelwarte.ch
SVS - BirdLife Switzerland
http://www.birdlife.ch
Wiener Umweltanwaltschaft
http://www.wien.gv.at/wua/
The Bird Screen Company
http://www.birdscreen.com
Birds & Buildings Forum
http://www.birdsandbuildings.org/index1024.html
Fatal Light Awareness Programm
http://www.flap.org
Spinnennetz Effekt
http://www.spinnennetz-effekt.de
Bird Conservation Network
http://www.bcnbirds.org/window.html
Lega Italiana Protectione Uccelli
http://www.comune.modena.it/associazioni/lipu/pannel.html
Audubon
http://www.audubon.org/bird/at_home/SafeWindows.html









