Gr. συρνιον surnion  a type of owl (see Surnia). 
● (syn. Bubo Ϯ Snowy Owl B. scandiacus) "Syrnium niveum, Snowy Owl." (Morris 1837) (OD per Björn Bergenholtz).
● (syn. Strix Ϯ Tawny Owl S. aluco) "16. SYRNIUM.  Bec épais, assez incliné; narines petites, transverses: oreilles externes grandes et operculées: ongles simples. . .aigrettes nulles.  ...  26. SYRNIUM ululans. Le Chat-huant" (de Savigny 1809): based on Eλεος, Ulula and Συρνιον of classical authors; "Συρνιον, some bird of ill omen, probably an owl" (Ashmolean 1836); "Syrnium, vocabulum factitium, significatione carens, rejiciendum, præsertim cum præsto sit nomen harum avium antiquum, Ulula" (Sundevall 1873).   Var. Surnium, Sirinium, Sirnium.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 23 January 2019).