Found in articles
Issue 5884, Pages 1763 - 1768. ^ a b Hoatzin, New World vultures, Secretarybird, raptors, Gill F & D Donsker (Eds). 2020. IOC World Bird List (v 10
Downloaded on 09 January 2021. ^ a b c Hoatzin, New World vultures, Secretarybird, raptors, Gill, F & D Donsker (Eds). 2020. IOC World Bird List (v10
^ 松村明 編「うおたか」『大辞林 4.0』三省堂、2019年。 ^ Hoatzin, New World vultures, Secretarybird, raptors, Gill F, D Donsker & P Rasmussen (Eds). 2020. IOC World Bird
鳥類I』日高敏隆監修 樋口広芳・森岡弘之・山岸哲編 平凡社、1996年、149-151頁。 ^ New World vultures, Secretarybird, kites, hawks & eagles, Gill F & D Donsker (Eds). 2016. IOC World Bird
speciesplus.net. (downroad 12/05/2020) ^ a b c Hoatzin, New World vultures, Secretarybird, raptors, Gill, F & D Donsker (Eds). 2020. IOC World Bird List (v10