Mal:Referanse:IOC-lista2.7
Gill, F and D Donsker (Redaktørar) (2010). «IOC World Bird Names (version 2.7) - Master list including species Ranges and comments in computer format» (Excel spreadsheet). worldbirdnames.org.
Gill, F and D Donsker (Redaktørar) (2010). «IOC World Bird Names (version 2.7) - Master list including species Ranges and comments in computer format» (Excel spreadsheet). worldbirdnames.org.