Richardson's ground squirrel 
Rock squirrel 
Round-tailed ground squirrel 
Ruwenzori Sun Squirrel 
Sherman's fox squirrel 
Siberian chipmunk 
Slender squirrel 
Smiths Bush Squirrel 
Southern Amazon red squirrel 
Southern flying squirrel 
Striped ground squirrel 
Thirteen-lined ground squirrel 
Townsends chipmunk 
Tuffted pygmy squirrel 
Uinta chipmunk 
Uinta ground squirrel 
Unstriped Ground Squirrel 
Variegated squirrel 
Western dwarf squirrel 
Western Gray Squirrel 
White-tailed prairie dog 
Wyoming ground squirrel 
Yellow ground squirrel 
Yellow-bellied marmot