Here, it's important to recognize that there's no real way to know what exactly Quasimodo thought of himself: Gerry's anthropomorphism provides one possible explanation for his habits, but it may not tell the whole truth. This illustrates that people can absolutely do their best to listen to their animals and interpret what they're trying to say, but it's definitely not an exact science. To this end, it's worth keeping in mind that pet birds overwhelmingly enjoy music and human companionship, even if they don't fly.