I dreamed that I had a blue unknown bird, and then I dreamed that the blue bird pecked off many feathers on my body to interpret my dreams.

Maybe it's a hint of a dream, and that's what you need to do in front of you, the sixth sense? Psychological suggestion?

If that bird is yourself, plucking its own feathers can be seen as a hint that you are changing yourself, just as a century-old eagle plucks its own minions at the age of 50 in order to live for a hundred years. . .

A change you need is taking place in the current environment, led by yourself? Think about what happened recently. Is this the only picture in the dream? give exact information