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

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.lipu.it/

Audubon
http://www.audubon.org/bird/at_home/SafeWindows.html

Acopian Center For Ornithology
http://www.muhlenberg.edu/depts/biology/faculty/klem/ACO/GlassHome.htm