Poliohierax semitorquatus deckeni Zedlitz, Journ. für Ornith., vol. 62, No. 4, October 1914, p. 675.= Polihierax semitorquatus castanotus Heuglin, 1860
Syntype : Female ad., Afgoi, Southern Somaliland. 4. III. 1911. Coll. O. von Zedlitz. (C. Müller leg.). No. 4701. - Measurements of type : wing : 116 mm.; tail : 72 mm.; culmen from cere : 10 mm.; tarsus : 26 mm.Click on the picture for enlargement.