==References==* Sinclair, Hockey and Tarboton, "SASOL Birds of Southern Africa", ISBN 1-86872-721-1* Turner and Rose, "Swallows and Martins" ISBN 0-7470-3202-5==External links==* (Black saw-wing = ) Black saw-winged swallow "Psalidoprocne holomelaena" - Species text in The Atlas of Southern African Birds.
* Sinclair, Hockey and Tarboton, "SASOL Birds of Southern Africa", ISBN 1-86872-721-1* Turner and Rose, "Swallows and Martins" ISBN 0-7470-3202-5* (Black Saw-wing = ) Black Saw-winged Swallow "Psalidoprocne holomelaena" - Species text in The Atlas of Southern African Birds.