Salty gives off the growl that i've only heard other amazons do. He only does it when i am making him do something he really doesnt like, but he is such a lil sh*t that a scruffle of his head and a birdy hug usually make him forget about what was bothering him. Hes even gentle when he is doing the Amazon crazy bird 'snake head' thing. I have to try and video that, its pretty funny.