Southern Boubou bird photo call and song/ Laniarius ferrugineus (Lanius ferrugineus) Southern Boubou (Laniarius ferrugineus) bird sounds on dibird.com. Breeding in Africa: s; can be seen in 10 countries. The Southern Boubou is most noticeable on account of its ringing duetting call. These photos were taken on a recent road trip to the Western Cape and back. It is an audible presence in our garden, and we catch glimpses of the pair hopping through low dense foliage, but they are shy and it is difficult to get a clear view of them.