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You might get some more responses on the South African iSpot
I agree it might be a Levaillant's but then again it might be any one of a number of Cisticolas found in SA. Not sure it can be nailed down to a species but then again it is a bit south of my experience (E. Africa).
I echo JoC you may get a better responce from the SA site. Soon we will be one :-)
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