Keywords: TyrannusNiveigularisSmit.jpg Tyrannus niveigularis Proceedings of the Zoological Society of London 1880 http //www archive org/stream/proceedingsofgen80zool page/n60/mode/1up web 1880 Creator Joseph Smit pd-old-70 Joseph Smit Tyrannus niveigularis PZSL 1880 |