The term "brush rat" is often used to describe a variety of small, burrowing rodents that inhabit brushy areas. However, there are several synonyms for this term that are sometimes used in different regions or contexts. One common synonym is "woodrat," which refers to the species Neotoma spp. found throughout North and Central America. Another synonym is "packrat," which is used specifically for the species Neotoma cinerea in the western United States. Other terms that may be used interchangeably with "brush rat" or its synonyms include "bushy-tailed woodrat," "trade rat," and "desert rat." Regardless of the terminology used, these small creatures play an important role in their ecosystem through their seed dispersal and soil-tilling activities.