Flying squirrels, 9 letters
Spermophiles, 9 letters
Chipmunks, 9 letters
Marmots, 9 letters
Ground squirrels, 9 letters
True squirrels, 9 letters
Marmots, 12 letters
Gophers, 12 letters
Beavers, 12 letters
Etc., 12 letters
Large more or less primitive rodents squirrels, 12 letters
Type genus of the Sciuridae, 7 letters
Typical moderate-sized arboreal squirrels, 7 letters