Dawie de Swardt, National Museum ornithologist conducted fieldwork at the farm Armika, along the Vetrivier in the Wesselsbron area. Dawie has been visiting this site since 2008 for bird ringing and specimen collection.
To date over 470 birds have been ringed here and 19 recaptures obtained. During this week, 3 recaptures of Brown-crowned Tchagra, Black-chested Prinia en Kalahari Shrub-robin were made since he last visited 29 months ago. Interesting birds ringed include 2 Crimson-breasted Shrikes, Violeteared Waxbill and Barred Wren-warbler.
Of special interest is the wren-warbler which was first located here in 2012 and believed to be part of resident populations along the Vetrivier. In a paper published in Biological Observations it was speculated that these birds moved upstream from the kalahari thornveld areas in the Sandveld Nature Reserve and Hoopstad areas.