The squirrels make six distinct vocalisations&colon; chirps, squeals, squawks, trills, growls, and teeth clattering. They are also loud, often unleashing loud squawks or piercing screeches. Captive birds will emit loud squawks and growls, and also make creaking or groaning sounds. The birds also make a series of short, sharp squawks and squeaks as alarm calls. The calls are high-pitched squawks, squeaks and chatters, including "kek-kek" and "chee-chee". Through the day, it makes squeaking noises while flying, and harsh squawks when mobbing. Pluto finds him and begins happily licking him as he squawks angrily. The species utters a variety of raucous squawks with the occasional musical phrase. Sound effects include engines, gunfire, explosions, waves and squawks of seagulls. There is a noisy parrot who squawks. These birds are often making loud tweets/squawks when looking for their food. He has a thick accent consisting of lisping, stuttering and occasional squawks. Bird squawks were used for the Pteranodon. Squawks have been described in bird fancier's disease and other forms of hypersensitivity pneumonitis. While feeding, they make occasional squawks.