Purchase this photo for your use. The photo was taken by Flyline Search Marketing in Yellowstone National Park, in 2013. This herd of Bison were feeding in the midday sun, in the Hayden Valley area of the park. When you purchase this photo, you will be granted access to download the image. We have provided 3 image size options, Large 4000 x 2500, Medium 2000 x 1250 and Small 1000 x 625.