Symbol in the sky above Gotham City (3)

I believe the answer is:

bat

(Other definitions for bat that I've seen before include "Cricketer; mammal" , "Pipistrelle" , "once wielded by 60 [GREIG]" , "Nocturnal flier" , "Small flying mammal, may be vampire" .)

I've seen this clue in The New York Times.

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