On public (and other) buildings which have extensive glass walls, you sometimes see the silhouettes of flying birds affixed to the glass.

My understanding is:

  • This is intended to deter birds from flying into the glass and hurting themselves
  • Officials doing this is an implicit (i.e. unspoken) but obvious claim, that this method is effective (i.e. it is a claim that, and/or is the result of a claim that, affixing bird silhouettes to glass is effective at helping to deter birds from flying into the glass)

Is this a sufficient "notable claim" for the main site -- can I just state this observation, and ask what evidence for the claimed effect?

Or must I find some explicit, wordy claim on that subject?


1 Answer 1


Simply find evidence that many people believe the claim you ...claim. Don't just assume they do.

  • Thank you for the suggestion. Having looked for evidence, I no longer need to ask that question.
    – ChrisW
    Commented Apr 3, 2017 at 3:20
  • @ChrisW So what's the answer? Now I'm curious.
    – user34418
    Commented Apr 18, 2017 at 17:54

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