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?

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

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

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