The Hokkaidō frog or the Ezo brown frog (Rana pirica) is a species in the family Ranidae found in Hokkaidō, Japan, and Sakhalin, Russia. Its natural habitats are boreal forests, temperate forests, temperate shrubland, temperate grassland, rivers, swamps, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marshes, arable land, ponds, and irrigated land. References Rana (genus) Amphibians of Japan Taxonomy articles created by Polbot Amphibians described in 1991 Fauna of Sakhalin