The American Harvest Mouse, or Reithrodontomys humulis, is a small, dark-furred mouse that is commonly found in the United States. While it may not be the most exciting of animals, it has a number of synonyms that can help add some variety to your writing. Some of the most common synonyms for the American Harvest Mouse include the Eastern Harvest Mouse, the Western Harvest Mouse, the Florida Harvest Mouse, and the California Harvest Mouse. Other synonyms for this tiny creature include the Grasshopper Mouse, the Deer Mouse, and the Wood Mouse. Regardless of the name you choose to use, the American Harvest Mouse is a fascinating little animal that deserves our attention and respect.