Ghetto Bird Meaning

(slang, US, African American Vernacular, idiomatic) A police helicopter, specifically in the context of patrolling or searching impoverished, high-crime urban areas (the ghetto).

Example: 1993, Ghetto Bird, Ice Cube, Lethal Injection:
  Had to pull a strap on a fool named Louis the Third
  Cuz I'm getting chased by the ghetto bird