Empidonax alnorum
Aves | Passeriformes | Tyrannidae | Empidonax | Empidonax alnorum
Empidonax alnorum
Biota | Animalia | Chordata | Vertebrata | Gnathostomata | Tetrapoda | Reptilia | Aves | Passeriformes | Tyrannidae | Empidonax | Empidonax alnorum
|  | Haeckel, 1874 |  | von Zittel, 1879 |  | Laurenti, 1768 |  |  | Vigors, 1825 | Cabanis, 1855 | Brewster, 1895