That loud voice is a good adaptation for living in thick, dark forests, helping Each and every bird talk with Other people above extended distances, Though they are out of sight. It is generally assumed that the Psittaciformes were current in the course of the Cretaceous–Paleogene extinction party (K-Pg extinction), https://parrotforsell41505.digitollblog.com/25086872/the-ultimate-guide-to-pet-birds