Cricetomys ansell is a species of rodent belonging to the family Cricetidae. It is commonly known as Ansell's giant rat and is native to parts of Africa, particularly in Angola and Zambia. This species is characterized by its large size, with a body length that can reach up to 40 centimeters, excluding the tail. Ansell's giant rat primarily inhabits grasslands and forest edges. It is an omnivorous creature, feeding on a variety of foods, including fruits, seeds, and insects. Due to its size and adaptability, it plays a significant role in its ecosystem, contributing to seed dispersal and soil aeration.