Kudu :striped African antelope
A three letter African antelope is the "gnu", which ends in a "u" not a "you". The more common name for the gnu is the wildebeeste, but that won't fit into your crossword puzzle.
DUIKER
Nyala
Gnu
Oribi is a small African antelope
kudu
· Duiker · Impala
Gnu is a three letter word for an African antelope
Tsessebe (Damaliscus lunatus). East African antelope ending with opi, would be the Topi.
Gnu.
I think the answer is SUNI
A gnu is a wildebeest, which is a type of antelope.