this post was submitted on 29 Jun 2023
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What is this thing?
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Let us help you identify that mysterious object you’ve found.
Currently in CHALLENGE mode: If you've got something obscure knocking about, post a picture, and let's see how we do. Please prefix such posts with "CHALLENGE:" so we know we've got a fighting chance.
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They are "snow birds". It breaks up snow as it melts and falls off the roof so it doesn't come down in giant sheets.