Taxon - Links and literature
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 3.3 [http://www.worldbirdnames.org/] [as Bubalornis niger militaris Clancey, 1977]Data retrieved on: 11 April 2013
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 3.3 [http://www.worldbirdnames.org/] [as Bubalornis niger militaris Clancey, 1977]