Found mainly in the sandy coastal regions of South Africa’s Western Cape, this large, burrowing rodent spends nearly its entire life below ground, tunneling through dunes and loose soils that most animals would find inhospitable.

Physically, its body is cylindrical and muscular, perfectly adapted for digging through sand. The fur is short, dense, and velvety, ranging from golden-brown to dark gray, depending on the soil color of its home—an excellent form of camouflage when it occasionally surfaces. Its eyes and ears are small and almost hidden by fur, reflecting its underground lifestyle, while its most impressive features are its enormous incisors. These long, chisel-like teeth protrude forward from the mouth and are used like miniature pickaxes to dig through soil and roots. Interestingly, the mole-rat can close its lips behind its teeth, preventing sand from entering its mouth while digging—a brilliant evolutionary adaptation for a life beneath the surface.

The Cape dune mole-rat is solitary and territorial, unlike its famous social relatives such as the naked mole-rat. Each individual maintains its own extensive tunnel system, which can stretch over 100 meters (328 feet) underground and include chambers for nesting, storing food, and waste. They feed mainly on bulbs, roots, tubers, and underground stems, which they dig up with remarkable efficiency. Because they live in sandy soils, they are constantly at risk of tunnel collapse, but their strong limbs and keen senses make them quick diggers and careful builders.

The Cape dune mole-rat is so powerful and industrious that farmers have nicknamed it the “bulldozer of the dunes.” It can move astonishing amounts of soil each day, sometimes creating visible mounds on the surface where it pushes out excess sand. Its teeth never stop growing, allowing it to dig tirelessly without wearing them down.

Distribution

Country

Population est.

Status

Year

Comments

South Africa

LC

2017

Northern Cape Province, Western Cape