Sequestered in high mountains atop tall trees, the aarakocra, sometimes called birdfolk, evoke fear and wonder. Many aarakocra aren’t even native to the Material Plane. They hail from a world beyond—from the boundless vistas of the Elemental Plane of Air. They are immigrants, refugees, scouts, and explorers, their outposts functioning as footholds in a world both strange and alien.
PC Race Source: Link