Rufous-tailed Scrub Robin
Cercotrichas galactotes
Adult male and female rufous-tailed scrub robin look alike and measure about 6 inches (150 mm) long with relatively long legs and a large rounded tail. The upper parts are a rich brownish chestnut, with the rump and uppertail coverts rather more rufous. There is a distinct curved, creamy-white broad streak from the nostrils to behind the eye and a dark brown line through the eye. The under-eye area is whitish and the ear coverts pale brown. The eye and the beak are both brown but the lower mandible of the beak has a greyish base.
ID text from Wikipedia, CC BY-SA 4.0

White-browed Scrub Robin
Cercotrichas leucophrys
The white-browed scrub robin measures 14.0–16.5 cm from bill tip to tail tip and the sexes are alike. The pale superciliary stripe is distinct, and the crown may be warm brown, olive brown or greyish brown. The wings are dusky but well-marked. Greater and lesser wing coverts always white-tipped, but the secondaries with or without white edging. Amount of streaking on the breast is very variable, in subsp. ovamboensis it is reduced to fine streaking encircling the throat. The breast and flanks are washed with a variable amount of tawny buff.
ID text from Wikipedia, CC BY-SA 4.0

Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Rufous-tailed Scrub Robin and White-browed Scrub Robin.