 This antelope is highly sporadic in distribution ; it occurs mainly in eastern , southern and western Africa , ranging from Nigeria and Senegal in the west to Ethiopia and Eritrea in the east and southward to Angola and the Eastern Cape ( South Africa ) . It is feared to be extinct in Burundi . 
 This antelope is highly sporadic in distribution ; it <a href='uninflect' title='1'><mark>occurs</mark></a> mainly in eastern , southern and western Africa , ranging from Nigeria and Senegal in the west to Ethiopia and Eritrea in the east and southward to Angola and the Eastern Cape ( South Africa ) . It is feared to be extinct in Burundi . 
This antelope is highly sporadic in distribution ; it occur mainly in eastern , southern and western Africa , ranging from Nigeria and Senegal in da west to Ethiopia and Eritrea in tdaeast and southward to Angola and the Eastern Cape ( South Africa ) . It is feared to b extinct in Burundi .