Dunnock of "braun", "brown", and the specific "modularis" is from Latin "modulus", "melody". A European robin-sized bird, the dunnock typically measures 13.5–14 cm in length. It possesses a streaked back, somewhat resembling a small house sparrow. Like that species, the dunnock has a drab appearance which may have evolved to avoid predation. It is brownish underneath, and has a fine pointed bill. Adults have a grey head, and both sexes are similarly coloured. Unlike any similar sized small brown bird, Dunnocks exhibit frequent wing flicking, especially when engaged in territorial disputes or when competing for mating rights. Dunnocks are native to
Rondebosch Common which has covered most of the Cape Flats. The common also conserves a few patches of Renosterveld and a seasonal wetland, giving it a hugely varied biodiversity for such a small area. Of the hundreds of plant species that occur here, at least nine are on the Red Data List. This stretch of land also protects 110 species of bird, as well as small mammals, reptiles and amphibians. The local biodiversity is threatened by invasive plants such as Kikuyu grass. In the past, Rondebosch Common was used as a military camp (hence the name of "Camp Ground Road", which borders