Taxon - Links and literature
Bird Life 3 [103682324]
Bird Life [http://www.birdlife.org] [as Sirystes subcanescens Todd, 1920]
Data retrieved on: 3 December 2018
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 Sirystes subcanescens Todd, 1920]Data retrieved on: 3 December 2018
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [as Sirystes subcanescens Todd, 1920]Data retrieved on: 5 December 2021
IUCN Red List of Threatened Species 2024-1 [103682324]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Sirystes subcanescens Todd, 1920]
Data retrieved on: 29 January 2024
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [as Sirystes sibilator subcanescens]Data retrieved on: 25 April 2013