. . . . . . . . . "Tyrannidae" . "(Gmelin 1789)" . "Animalia" . . . . . "Tyrannus" . "Scissor-tailed Flycatcher" . "Aves" . . "Tyrannus forficatus (Gmelin 1789)" . . "Chordata" . . "Passeriformes" . . "Tyrannus forficatus" .