Ambusher: advantage on attack rolls against any creature the kenku has surprised.
Mimicry: can mimic any sound she has heard, including voices. DC 14 Wisdom (Insight) check to tell it’s an imitation.
Understands Auran and Common but only speaks through Mimicry trait.
MM 194, plus:
Sideshow: in the Empire, kenku are relatively rare. They originate in a distant land, and only a few have come up through the Rehabilitation Camps to join society. When they do, it is often as comedians, or sidekicks for famous bards and entertainers.