Posted By Jestertheclown : Hmm. Tricky one, this.
I've lifted the caste using levels and curves but there's an awful lot of greyness left.
I've tried to lift the colour of the bird, to make it as white as possible using the lasso and simply increasing the brightness but it was at the expense of losing some feather detail.
Posted By Jestertheclown : I suppose this is a quick alternative.