Gill, F & D Donsker (Eds). 2018. IOC World Bird List (v8.1). doi : 10.14344/IOC.ML.8.1. Available at http://www.worldbirdnames.org/.
Gill, F & D Donsker (Eds). 2018. IOC World Bird List (v8.1). doi : 10.14344/IOC.ML.8.1. Available at http://www.worldbirdnames.org/.