. . . "Aves" . . . . . "Animalia" . "Larus ichthyaetus" . . "Laridae" . . . . . "Great Black-headed Gull" . "Larus ichthyaetus Pallas 1773" . . "Charadriiformes" . "Pallas 1773" . . "Chordata" . . . "Larus" .