Taxon - Links and literature
Bird Life 5.1 [5785]
Bird Life [http://www.birdlife.org] [as Corvus levaillantii Lesson, 1831]
Data retrieved on: 26 April 2013
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [as Corvus levaillantii Lesson, R, 1831]Data retrieved on: 5 December 2021
IUCN Red List of Threatened Species 2013.2 [22706024]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Corvus levaillantii Lesson, 1831]
Data retrieved on: 27 January 2014
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [as Corvus macrorhynchos levaillantii]Data retrieved on: 7 April 2013