"An old legend speaks of a time when the raven was all white. A great black pool swallowed up the light of the sun. The raven dove into the pool to bring forth the light once more. Though the raven succeeded entirely by it, the pool forever blackened it."
This reminded me of another story that tells of the Raven's connection with light. It was from one of my favorite television shows, Northern Exposure. In this story, the Raven is associated with the Winter Solstice: