(syn. Carpodacus Ϯ Bonin Island Grosbeak C. ferreorostris) Specific name Fringilla papa von Kittlitz, 1832 (= syn. C. ferreorostris); Reichenbach's 1850, plate LXXIX, shows the bulky head and bill of this grosbeak.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 12 December 2018).