From Horse

Also called the Hokkaido Horse, the Dosanko horse comes from the Japanese island of Hokkaido. They are a revered breed in Japan and one of the most plentiful ancient Japanese pony breeds.

Descendant from the first horses brought to Hokkaido island by Korean fisherman sometime in the 15th century, and was at some point given an injection of Mongolian blood as well. This is one of Japan’s few native breeds.