Confined to southern Africa, with a marginal intrusion into extreme south-western Angola. Within this range, they occupy the drier western parts, being widespread in Namibia, Botswana and much of C and W South Africa, but absent from the Namib Desert and Caprivi Strip in Namibia, the Okavango in Botswana, Zimbabwe (except for an extreme western record), and the easterly regions of southern Africa (P.J. Taylor in press).