Mimicry. You can mimic sounds that you have heard, including voices. Any creature that hears the sounds make can tell they are imitations on a successful Wisdom (Insight) check opposed by your Charisma (Deception) check. Fae Friend. All fae look on the kenku fondly. Any fae creature that recognizes you will be friendly to you, and you have advantage on any Charisma (Persuasion) rolls made against a fae. Slowfall. To make up for the flight that was taken from you, you were gifted with the ability to save yourself from falling. You can cast the Feather Fall spell on yourself at will.
Languages. You cannot speak any language, but can understand the language of your culture.