Taxon - Links and literature
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 7.3 [http://www.worldbirdnames.org/] [as Pternistis bicalcaratus ogilviegranti (Bannerman, 1922)]Data retrieved on: 18 January 2018
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 7.3 [http://www.worldbirdnames.org/] [as Pternistis bicalcaratus ogilviegranti (Bannerman, 1922)]