There are many different kinds of parrots. Some are quite big. Others are small. Many people like them because they often have beautiful colours, and because they can "talk". No one knows why parrots can talk. Most birds cannot talk. Some people say that parrots can talk because they have big, thick   tongues  . But some other birds that can talk do not have big, thick tongues, and some birds that cannot talk have big, thick tongues. Parrots do not usually know what they are saying when they talk. They are only making sounds. However, they know when to say some words, such as "Hello" and "Goodbye", and they usually know and can say people's names. Most parrots come from hot countries, but they can live anywhere. Can all the birds talk?
Yes, all of them can. No, most birds can't talk. No, only big ones can talk. No, only small ones can talk.