Taxon profile
Least Concern  |
Images
Links and literature
Bird Life 5.1 [822]
Bird Life [http://www.birdlife.org] [as Trachyphonus usambiro Neumann, 1908]
Data retrieved on: 26 April 2013
IUCN Red List of Threatened Species 2018-1 [22681900]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Trachyphonus usambiro Neumann, 1908]
Data retrieved on: 2 August 2018
Gill F. & Donsker D.: IOC World Bird List 7.3 [http://www.worldbirdnames.org/] [as Trachyphonus darnaudii usambiro Neumann, 1908]Data retrieved on: 16 November 2017
Hudec K. et al. (2003): Soustava a české názvosloví ptáků světa, Muzeum Komenského v Přerově. 462 pp. [as Trachyphonus usambiro Neumann, 1908]
incl. in Trachyphonus darnaudii
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7 [http://www.birds.cornell.edu/clementsche...], Cornell Lab of Ornithology [as Trachyphonus darnaudii usambiro]Data retrieved on: 7 April 2013
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