Very little hair; some whiskers and hair on their feet. Skin is wrinkly, pink or greyish-pink. Very large incisors are used to excavate tunnels. Short, broad head contains powerful jaw muscles. Tiny eyes, no external ears. About seven centimeters (three inches) long, and 30 to 70 grams (one to 2.4 ounces).
Eastern Africa—Ethiopia, Kenya, Somalia
Exclusively in underground tunnels and burrows in semi-arid, grassy regions
Herbivorous, mostly tubers and roots
After 70 to 80 days, ten to 27 pups are born.
Only known mammal to be eusocial (living in a colony like termites and ants) with a caste system. Colonies range from 20 to 300 individuals, with one breeding female (the queen) and one to three breeding males. Other males and females do not breed, and are either workers or soldiers.
Ten to 30 years
Mostly snakes, such as the rufous-beaked snake.