Kudu.
Tsessebe (Damaliscus lunatus). East African antelope ending with opi, would be the Topi.
That would be the Impala.
Oribi
The okapi is a small African antelope.
Impala is an antelope species in Africa.
A small African antelope beginning with the letter I is an Imu.
A South African antelope is a SPRINGBOK
A South African antelope beginning with the letter I could be an: - Impala - Imu
Bovid
Impala is an antelope species in Africa.
African Wiled Donkey
Waterbuck is an antelope species in Africa.