Summary[edit] Description: English: Pionias fuscicapillus. Date: 1870. Source: Die Vogel Ost-Afrikas. Baron Carl Claus von der Decken's Reisen in Ost-Africa. Bd. 4 (1870). Author: Finsch, Otto (1839-1917); Hartlaub, Gustav, (1814-1900). Other versions: .