Perhaps.............gnu?
Gnu
the pronghorn antelope
Gazelle is a name that includes many antelope species. Gerenuk is an antelope found in Africa. Gemsbuck is another species of antelope found in Africa.
The serengeti antelope is the Gnu ,more commonly called Wildebeest.
Another name for a South African antelope starting with the letter "G" is a gazelle. A gnu is also considered an ancestor of the antelope.
Honolulu, Hawaii Juneau, Alaska
kudu
gnu
Kudu
Buffalo is not really an antelope, but it is the closest relative to the antelope where the name ends with an o.
calf (baby antelope)
Oribi is a small African antelope
eland
Ted
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.
Dik-dik, it is small antelope that lives in the bush of East Africa
An antelope that begins with w and ends in d
oryx