Radical 208 meaning "rat" or "mouse" (鼠部) is 1 of 4 Kangxi radicals (214 radicals total) composed of 13 strokes.
In the Kangxi Dictionary there are 92 characters (out of 49,030) to be found under this radical.
Evolution
Characters with Radical 208 strokes character +0 +4 +5 +6 +7 +8 +9 +10 +15
Literature
External links Unihan Database - U+9F20