Which birds are naturally noisy and which have problems. Pet Bird Magazine, Ezine May 1997 Magazine . There is no simple answer to this question. Verbal skills will even vary from bird to bird within each species. If you are considering the purchase of a parrot you should expect and accept a certain amount of chattering, talking, singing, and screaming.
Birds communicate verbally as many other species of animals do.
In the wild, the screams of the flock can be heard from miles away. Cries of warning in regards to impending danger, greetings to other flock members, territory dispute calls, mating calls, and attention getting chatter and screams, are all natural vocalizations in the parrot world. Some particular species of birds are more notorious for screaming than others. Cockatoos will undoubtedly welcome the sunrise with a few ear shattering screams. They will also say goodnight to the sunset in the same manner.