This image shows an American buffalo in the snowy environment of Yellowstone National Park. The American buffalo is one of the most representative wildlife species in North America, once widespread across the Great Plains, and now Yellowstone is its key protected habitat. In the picture, the buffalo's dark brown fur contrasts sharply with its black head and curved horns, with snow on its nose. The background is a clear blue sky, and the ground is covered with thin snow and sparse grass, creating a majestic and natural atmosphere that highlights the wild beauty of Yellowstone's original ecology. As the world's first national park, Yellowstone is famous not only for its rich geothermal landscapes but also as a home for many wildlife species. The buffalo population here has thrived under conservation measures, becoming a symbol of nature conservation and ecological balance, and also witnessing the importance of human protection for wildlife habitats.