Also with a gcc don't say "parrot" say "small cage bird" lol. I live with many "small cage birds." We discussed size, number, and the fact that they don't stay in their cages, but it just sets a totally different tone for the conversation.
Keep in mind though, you will be responsible for training, socializing, and caring for your bird in such a way that he or she is a decent neighbor.
I share my life with 6 GCCs in a tiny condo where none of us have AC so we all have our windows open. Yet when I did a favor for a friend by pet sitting her two GCCs, they made more noise than my entire flock including babies and fosters, over 30 birds at the time. Why? Because they had been conditioned through various means to scream their heads off constantly, and my birds have the opposite experience.
You can also do things like hang blackout curtains and rearrange your schedule to accommodate. For example my birds wake up around 6:30 but don't really "celebrate" until around 8. By then, most people with jobs or kids are awake. If your bird tends to be loud right after waking, you can artificially delay "sunrise" with cage covers or curtains until a late enough hour that most people are awake.
If your bird is throwing a giant screaming party, you can do things to dampen the noise such as running large fans, doing laundry, running the dishwasher, and turning on music or the tv, if you feel a particular day your bird is disrupting your neighbors.
I guess my point is that you have a lot of influence on whether or not your bird is a good neighbor. I've had people come into my house like repair men, who are startled to notice one of my birds sitting on a perch or my shoulder, even after being in the house for quite a while. All birds make noise, but choosing the right species (we have mostly IRNs, GCCs, and cockatiels) and altering your lifestyle to meet their needs can really cut down on the noise.
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