A catlike call snaps out. It can sound feline because a parrot shapes pressurized airflow with a syrinx, the avian sound organ at the tracheal split, rather than with mammalian vocal folds. The resemblance is acoustic. By changing syringeal tension, beak position, tongue placement, and throat volume, the bird can match spectral cues that listeners file under a cat's call.This is not ventriloquism....More