(syn. Butastur Ϯ White-eyed Buzzard B. teesa) Portmanteau of genera Buteo de Lacépède, 1799, buzzard, and Pernis Cuvier, 1816, honey buzzard; "POLIORNIS, Kaup, 1844.  Butastur, 1844, et Bupernis, 184? Hodgs.  Buteopernis, James, 184?  Pernopsis, Dubus, 1850.  Valeria, Boie, MSS.  (Circus teesa, Frankl.)" (G. Gray 1855).

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 19 January 2019).