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Dik-diks are very tiny antelopes (30/40 cm) and are named for the alarm calls of the females. In addition to the female's alarm call, both the male and female make a shrill, whistling sound. These calls may alert other animals to predators. 

Apparently to prevent overheating, dik-diks have elongated snouts with bellow-like muscles through which blood is pumped. Airflow and subsequent  evaporation cool this blood before it is recirculated to the body. However, this panting is only implemented in extreme conditions; dik-diks can tolerate air temperatures of up to 40°C. They receive sufficient amount of water  from their food, which makes  drinking unnecessary. 

Dik-diks are monogamous and they live in couple almost all their life. They stay in pairs in a fox territory of 0,05 km². They are hunted by big cats, jackals, monitor lizards, hyenas, wild dogs, pythons and birds of preys.