Fiscal Shrike

The females (first picture) are slightly browner than the male but both have a white V-shape marking of white feathers on their backs.

An extremely common bird found throughout South Africa with a sub-species found in the Cape and Freestate which has a white eyebrow steak.

 A common name for them is also the Jacky-hanger due to its habit of hanging insects it catches on barbed wire or thorns.