Gazelles are medium sized antelopes.
The largest of all true gazelles, it is slenderly built with a proportionately long neck and legs. Neck and upper parts uniformly rufous or chestnut brown, sharply contrasting with the white rump and lower parts of the body. Head of adult is pure white. The eyes are relatively large and the indented preorbital glands are well developed. There is a conspicuous white spot on the middle of the neck.