When you have a cat or a dog you use the same words when you talk to them: do you want out, are you ready to eat, did you miss me, hello, bye bye, pretty bird and etc.
Unlike a dog or cat that can only hope to make you understand, a bird will use the words that you say to explain itself. The funny part is when they string some words together to say a sentence.
Rambo amazes me all the time. The funniest was when he got closed in a dark bathroom. He yelled "MOMMA, C'MERE AND PICK ME UP RIGHT NOW. I answered him and he said HURRY HURRY QUICK QUICK.