The black line in the photo is a partially buried glacier ice worm (about ¼ inch long). Glacier ice worms live in glacier ice and in snow on glaciers. They don't live in the hard blue glacier ice, but rather in the granular ice that develops on a glacier surface. They are so adapted to the cold they die in temperatures much greater than freezing. They avoid bright daylight and are most often seen in the evening or dawn. They live on microscopic organisms, including the pink snow algae that grow on granular ice and snow. How cool is that! Photographer: Bill Eichenlaub