Genus Perognathus is a group of small rodents commonly referred to as pocket mice. These creatures are typically found in the western parts of North America, and they are known for their strong jumping ability and specialized hind limbs. While "Genus Perognathus" is the scientific term frequently used to describe these animals, there are other synonyms people often use to refer to them, such as Perognathinae, dipodomyine, thomomys, and Dipodomyini. These alternative names may be used by researchers, wildlife enthusiasts, and casual observers alike, and they all ultimately refer to the same group of captivating creatures.