Physical feature: The horse-sized antelope, the blue bull stands about 52-56 inches
high at the shoulder and weighs 200-270 kg. The body colour is dark bluish grey
or bluish black in adult males. Young males and females, on the other hand, are
tawny colour. The other salient features of this animal are smooth upright horns
in males, long and pointed head, and a white ring below each fetlock with two
white spots on each cheek, longer forelegs and short dark manes. Another
distinctive character of the male is that it has a tuft of stiff black hair on the
throat. Bulls have short smooth horns of 6 to 8 inches long.
Reproduction: The puberty is reached at about 30 months. One to two offspring are born after a pregnancy period of 8-9 months. They have no regular breeding season. Most of the births occur shortly before the rains.
Life span: The life span is about 15 years.