This taxon is Not Recognised as a species by BirdLife International.
Bubo poensis (del Hoyo and Collar 2014) was previously split as B. poensis and B. vosseleri following Sibley and Monroe (1990, 1993).
BirdLife International (2016) Species factsheet: Bubo poensis. Downloaded from http://www.birdlife.org on 03/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 03/12/2016.