This taxon is Not Recognised as a species by BirdLife International.
Dowsett, R. J.; Forbes-Watson, A. D. 1993. Checklist of birds of the Afrotropical and Malagasy regions. Tauraco Press, Li
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.
Bycanistes fistulator and B. sharpii (del Hoyo and Collar 2014) were previously lumped as B. fistulator following Dowsett & Forbes-Watson (1993), and before then were present in the genus Ceratogymna as C. fistulator following Sibley and Monroe (1990, 1993).
Ceratogymna fistulator Sibley and Monroe (1990, 1993), Ceratogymna fistulator fistulator Sibley and Monroe (1990, 1993)
BirdLife International (2016) Species factsheet: Bycanistes fistulator. Downloaded from http://www.birdlife.org on 26/08/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 26/08/2016.
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|Current IUCN Red List category||Not Recognised|
|Species name author||(Cassin, 1852)|