|Genus:||Ixos (but see text)|
The Sunda bulbul or green-winged bulbul (Ixos virescens) is a songbird species in the bulbul family (Pycnonotidae). It is the type species of the genus Ixos. It is endemic to Indonesia where it occurs on Sumatra and Java, where its natural habitat is subtropical or tropical moist montane forests. It is not considered a threatened species by the IUCN.
Its genus is sometimes merged into Hypsipetes, presumably based on an error in the Sibley taxonomy which keeps them separate but includes I. virescens in Hypsipetes. But actually, Hypsipetes would to be subsumed within Ixos if anything, as the latter name was established earlier. Either way, the specific epithet virescens, given to the present species by Coenraad Jacob Temminck in 1825, pre-dates the same name as given to the Nicobar bulbul by Edward Blyth in 1845, and thus the latter species is sometimes referred to as H. nicobarensis (though correctly it would be Ixos nicobariensis). In even more extreme treatments, Iole is also wrongly subsumed within Hypsipetes, and even if the correct merger of Iole into Ixos is performed the olive bulbul (Iole virescens) also requires a new species name, as it was established by Blyth in 1845.
- Gregory (2000)
- BLI (2008)
- Gregory (2000), BLI (2008)
- BirdLife International (2008). "Hypsipetes virescens". IUCN Red List of Threatened Species. Version 2008. International Union for Conservation of Nature. Retrieved 6 June 2009.
- Gregory, Steven M. (2000): Nomenclature of the Hypsipetes Bulbuls (Pycnonotidae). Forktail 16: 164-166. PDF fulltext
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