Answer:
I'm a bird that can repeat the words you say. What am I?
From that which comes within itself, It builds its table on my shelf.
I have a powerful bite and live in rivers and swamps. People are often afraid of my big jaws. What am I?
This noble creature has the embarrassing inability to get up once it's been flipped onto its back.
I have a long thin beak that I use to suck nectar from flowers and my wings beat very fast. What am I?
You use it between your head and your toes, the more it works the thinner it grows.