The killing of birds, or the act of destroying bird populations.
From Latin 'avis' (bird) + '-cide' (killing or killer), following the pattern of words like 'homicide' and 'pesticide.' This term developed as conservation concerns about bird populations grew.
While 'avicide' sounds formal, it's increasingly used by ecologists discussing how human activities—from window collisions to habitat loss—kill billions of birds annually.
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