Hooded crow, Corvus cornix a, Western jackdaw, Corvus monedula b, Eurasian jay, Garrulus glandarius c, spotted nutcracker, Nucifraga caryocatactes d, Alpine chough, Pyrrhocorax graculus e, red-billed chough, Pyrrhocorax pyrrhocorax f, and Eurasian magpie, Pica pica g. Chromolithograph from Gotthilf Heinrich von Schubert's Natural History of the Animal Realms (Naturgeschichte des Tierreichs), Schreiber, Munich, 1886.
Hooded crow, Corvus cornix a, Western jackdaw, Corvus monedula b, Eurasian jay, Garrulus glandarius c, spotted nutcracker, Nucifraga caryocatactes d, Alpine chough, Pyrrhocorax graculus e, red-billed chough, Pyrrhocorax pyrrhocorax f, and Eurasian magpie, Pica pica g. Chromolithograph from Gotthilf Heinrich von Schubert's Natural History of the Animal Realms (Naturgeschichte des Tierreichs), Schreiber, Munich, 1886.