L. bicornis  two-horned  < bi- two-  < bis  twice; cornum, corni  horn.
● ex “Horned Indian Raven, var. 1” of Ray 1713, and “Calao” of Petiver 1713 (Buceros).

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 on 21 May 2019).