The syrinx is at the bottom of its trachea and, when air is passed over the syrinx and through the throat and mouth where it is manipulated by the tongue, a macaw can learn to speak human words ...

Although macaws don't have a larynx like humans use to create speech, they do have a syrinx. The syrinx is at the bottom of its trachea and, when air is passed over the syrinx and through the throat ...