|Genus:||Ixos (but see text)|
The streaked bulbul (Ixos malaccensis) is a songbird species in the bulbul family (Pycnonotidae). Depending on whether it is or isn't a particularly close relative of the type species of the genus Ixos, the Sunda bulbul or green-winged bulbul (Ixos virescens), it might belong in a new genus.
What is known is that some Ixos species are close to Hypsipetes (which might warrant merging into Ixos), while others – including the streaked bulbul – are closer to Hemixos. But the affiliations of I. virescens remain to be restudied, and it is not clear to which group it belongs.
- Gregory, Steven M. (2000): Nomenclature of the Hypsipetes Bulbuls (Pycnonotidae). Forktail 16: 164-166. PDF fulltext
- Moyle, Robert G. & Marks, Ben D. (2006): Phylogenetic relationships of the bulbuls (Aves: Pycnonotidae) based on mitochondrial and nuclear DNA sequence data. Mol. Phylogenet. Evol. 40(3): 687-695. doi:10.1016/j.ympev.2006.04.015 (HTML abstract)
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