Taxon profile
Links and literature
Bird Life 5.1 [2147]
[as Tyto nigrobrunnea Neumann, 1939]Bird Life [http://www.birdlife.org]
Data retrieved on: 2013/04/26
IOC World Bird List 3.3 [as Tyto nigrobrunnea Neumann, 1939]Gill F. & Donsker D.: IOC World Bird List [http://www.worldbirdnames.org/]
Data retrieved on: 2013/04/11
IUCN Red List of Threatened Species 2011.2 [106002147]
[as Tyto nigrobrunnea Neumann, 1939]IUCN Red List of Threatened Species [http://www.iucnredlist.org/]
Data retrieved on: 2012/05/26
Hudec K. et al. (2003): Soustava a české názvosloví ptáků světa, Muzeum Komenského v Přerově. 462 pp. [as Tyto nigrobrunnea Neumann, 1939] Clements, J. F.: eBird/Clements checklist of birds of the world 6.7 [http://www.birds.cornell.edu/clementsche...], Cornell Lab of Ornithology [as Tyto nigrobrunnea]Data retrieved on: 2013/04/07
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