I have a blue front amazon parrot, and a corn and a BP. The parrot is very loud and shrill and screams in the morning and at sunset/. He is 26 years old and my snakes don't really react to his noise at all/ even when the BP is out if brandy starts to seranade us it seems fine to the snake. He not only screams but the rest of the day he will call the dogs or call my daughter for attention. Birds are very social and need a lot of attention specially the large parrots and Macaws. Teaching them to talk will sometimes keep the screeching down a bit. A loud hello is easier on the ears then a shrill scream.
He will be my moms parrot, so I'm not terribly worried about the interaction.