Jeremy Crawford, lead rules designer of the Dungeons & Dragons game, says 'they can cleverly piece together voices and sounds they've heard to communicate' The Dungeons and Dragons race are a fictional race of bird-like humanoid creatures in the game's history. They are loosely based on tengu, spiritual beings in Japanese mythology.
See also: Stark–Heegner theorem, Tungusic languages, List of avian humanoids, List of Dungeons & Dragons rulebooks, List of Advanced Dungeons & Dragons 2nd edition monsters, Changes (The Dresden Files).