(syn. Circus Ϯ Western Marsh Harrier C. aeruginosus) Gr. ευ eu  fine; genus Circus de Lacépède, 1799, harrier; "Sect. 2. Eucircus" (Acloque 1900).

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 13 December 2018).