I don't think that he number of colors will make an art less good. Everyone has is own style. I really like it and like the colors you use. Good work :)
If it isn't a color reduction as Shark said, you've used all to many colours.
Anyway, it looks wierd, I think you have turned the wings upside down or something, cus you can see the birds back and the top of it's head, but the wings start at the bottom in height with it's feet.
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