Dipodomys Phillipsii is a species of rodent commonly known as the Phillips' kangaroo rat. There are several synonyms that have been used to refer to this rodent, including Dipodomys gravipes Phillipsii, Dipodomys californicus Phillipsii, and Dipodomys phillipsi. However, the current accepted scientific name is Dipodomys phillipsii. These small mammals are found throughout the deserts of southern California and western Arizona, where they live in burrows and feed primarily on seeds and insects. Due to habitat loss and degradation, the Phillips' kangaroo rat is considered a threatened species and is protected under the United States Endangered Species Act.