Females go off on their own to give birth. Fawns lie out for the first few weeks of life. Once they can run well, the fawn and mother rejoin the group. They may breed twice a year. The chief predator of the gazelle is the cheetah.
Flight is their chief defense.
Their sight and sense of hearing are well developed. The dark side bands may serve as visual signals to keep the herd together. Males will tolerate familiar subordinate males in their territories as long as they remain subordinate and do not approach the females.