"Passeriformes" . . . . . . . . . . . "Chordata" . "Animalia" . "Aves" . . "Heuglin's Wheatear" . "Muscicapidae" . "Oenanthe heuglini (Finsch and Hartlaub 1870)" . "Oenanthe" . . . . "Oenanthe heuglini" . "(Finsch and Hartlaub 1870)" .