How many types of mice are there?

SPECIES OF RATS AND MICE!!!

DEER MICE........... 17 species

HARVEST MICE........ 7 species

GRASSHOPPER MICE.... 3 species

POCKET MICE......... 20 species

KANGAROO MICE....... 2 species

JUMPING MICE........ 4 species

RICE RAT............ 2 species

COTTON RATS......... 4 species

WOOD RATS........... 12 species

KANGAROO RATS....... 16 species

MUSKRAT............. 2 species

VOLES............... 26 species

LEMMINGS..............6 species

INTRODUCED SPECIES... 3 species

MEXICAN SPINY POCKET

MOUSE.......... 1 species

PACK RAT........1 species