Taxon - Links and literature
Bird Life 3 [22726079]
Bird Life [http://www.birdlife.org] [as Lybius senex (Reichenow, 1887)]
Data retrieved on: 19 October 2019
del Hoyo J., Elliott A., Sargatal J., Christie D.A. & de Juana E. (eds.).: Handbook of the Birds of the World (HBW) Alive [https://www.hbw.com/], Lynx Edicions, Barcelona [as Lybius senex Reichenow, 1887]Data retrieved on: 19 October 2019
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [as Lybius leucocephalus senex (Reichenow, 1887)]Data retrieved on: 22 April 2021
IUCN Red List of Threatened Species 2024-1 [22726079]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Lybius senex (Reichenow, 1887)]
Data retrieved on: 29 January 2024
Čížek V. et al. (2021-23): České názvosloví ptáků světa 05c, NK ČSO [as Lybius senex]Data retrieved on: 28 March 2024
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [as Lybius leucocephalus senex]Data retrieved on: 25 April 2013