Birds of Lake Tofutsu,Japanese crane

They are seen in Lake Tofutsu from spring to early winter and migrate south to the Kushiro region during the severe winter when the surface of the lake freezes over. The number of japanese cranes using Lake Tofutsu is gradually increasing, and they can be seen here and there around the lake. When observed through a telescope, japanese cranes can sometimes be seen feeding on crabs, small fish, shellfish, etc., showing the connection between japanese cranes and wetland creatures.