Groot River in South Africa
The River Nile has only four letters.
River Trent.
There doesn't seem to be one. It seems to be discussing a body of water, but nothing seems to fit. Brook (5 letters) Creek (5 letters) River (5 letters) Stream (6 letters) "A stream" is 7 letters, but that is 2 words and has a space.
Tagus
zebra
The Amazon is not an African river (it's a South American river).
eland
okapi
African River was created in 1989-06.
The Nile river is the longest african river and it is 4,184 miles long
African River Martin was created in 1861.
The Ill River which is located in Alsace in the Northwest region of France.