Fernando Po Mannikin Spermestes bicolor poensis (Fraser, 1843) has had a relatively stable nomenclatural history since its formal scientific description. However, references in previous publications that have long been overlooked also clearly refer to this taxon. The Radiated Grosbeak of Latham (1783) on which the name Loxia lineata J. F. Gmelin, 1789, is based, and Pico grueso blanco y negro A...