29th of Oct. 2021: To avoid Birds’ Collision, the buildings might be constructed without transparent views through glass and without larger areas of reflecting glass. In the night light emissions should be avoided: https://vogelglas.vogelwarte.ch/en/home. And https://vogelglas.vogelwarte.ch/assets/files/broschueren/Bird-friendly%20Building%20engl.pdf.
German readers can be informed about glass and light as problems for animals by the website of the administration of environmental protection of the city of Berlin. There is also an email address to ask and get answers:https://www.berlin.de/sen/uvk/natur-und-gruen/naturschutz/artenschutz/freilandartenschutz/vogelfreundliches-bauen-mit-glas-und-licht/
Architects may read an article in DAB (German Architects’ Journal) as early as of 19 of Oct 2020, to be informed about solutions to avoid birds collision: