Percival's spiny mouse (Acomys percivali) is a species of rodent in the family Muridae. It is found in Kenya, Somalia, South Sudan, and Uganda. Its natural habitats are dry savanna, subtropical or tropical dry shrubland, and rocky areas. It is one of two known species of mammals, the other being Acomys kempi, capable of completely regenerating damaged tissue, including hair follicles, skin, sweat glands, fur and cartilage.
For the first time the species was described scientifically in 1911 by G. Dollman.
Body length (without tail) is 82âÂÂ111 mm, tail length is 39âÂÂ92 mm (tail makes up 76% of body length), ear length is 11âÂÂ15 mm, hind foot length is 9âÂÂ15 mm; body weight is 18-48 g.
It lives mainly in the lowlands within the Great Rift Valley of Africa. It is found up to 1000 m above sea level, especially in rocky areas covered with lava. It is an insectivorous animal.