Create a stunning oil painting of a flock of birds in flight with a woman looking up at them with a clear, joyful expression on her face. The scene should be set against a vast open sky with soft natural lighting, capturing the beauty and grace of the birds' movement. The painting should be rendered in a style reminiscent of John James Audubon's bird illustrations and Mary Cassatt's impressionistic portraits, with a color scheme dominated by shades of blue, green, and white. The focus should be on capturing the fine details of the birds' feathers and the woman's expression, in high resolution., blur haze