Baiomys is a genus of small rodents that belong to the family Cricetidae. The common name for this genus is shrew mice. There are several different synonyms for the word Baiomys, which are used interchangeably depending on the context. Some of these synonyms include shrew-like mice, shrew-like rodents, small shrews, and mouse-like shrews. Despite their small size, shrew mice are known for their highly active and energetic behavior. They are also known for their long, pointed snouts that resemble those of shrews, which explains the common name for this genus. Baiomys can be found throughout North, Central, and South America, and they are an important part of many ecosystems.