. "Eurasian Nutcracker" . "Chordata" . . . . . "Corvidae" . . . . "Aves" . . "Passeriformes" . "Animalia" . . . . "Nucifraga caryocatactes (Linnaeus 1758)" . . "(Linnaeus 1758)" . . "Nucifraga" . . . "Nucifraga caryocatactes" .