Option B
A. The tail is not bushy. It is white underneath and commonly the dorsal part is black.
B. There is a tuft of fur at the knee.
Select

There are 3 species recorded in Tanzania: Redunca arundinum (Southern Reedbuck), Redunca fulvorufula (Mountain Reedbuck) and Redunca redunca (Bohor Reedbuck). The horns that project forwards at the ends help to identify this genus.