When dangling birds never rest

Back quite late after tutorial but got an interesting blip to upload.

This is a landmark at the Crawley shopping centre square. Can you find the real bird among the never-tired birds dangling in the wind? Got your answer?

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Well, very sorry, the real one actually flew out of my frame when I pressed the button ;-)

My serious question is who can tell me what the symbols on the four iron banners mean. Answers, please ---