Encyclopedia of Parrots
The Tanygnathus (Wagler, 1832) genus includes four species and several subspecies native to Southeast Asia and Melanesia.
These medium sized (31 – 40 cm) parrots are characterised by a very large bill and large head.
Tanygnathus everettiBlue-backed Parrot
Tanygnathus gramineusBlack-lored Parrot
Tanygnathus lucionensisBlue-naped Parrot
Tanygnathus megalorynchosGreat-billed Parrot
Tanygnathus sumatranusBlue-backed Parrot