References
- Demongin, L. (2016) Identification Guide to Birds in the Hand. Privately published, Beauregard-Vendon.
- Gill, F., Donsker, D. & Rasmussen, P. (eds) (2022) IOC World Bird List (v 12.2). http://www.worldbirdnames.org
- Svensson, L. (1992) Identification Guide to European Passerines. Fourth edition. Privately published, Stockholm.