If I may add some more comments - what I particularly like about this is the sense of depth and distance - the tree at the right is closest, the tree with the bird is a bit farther, the big trees and shrubbery are yet further, and finally the hillside (I think that's what it is) is barely visible. I also think it would be better without the bird - which is dead center, not too interesting, and let's face it, this is not much of a bird photo. But, it's a great trees and fog photo!
I think the bird should stay, but I agree, it would be better if the bird were off to one side. The whole thing is a lot like a Japanese woodcut. Very nice.