Children (18 direct children, 29 direct and indirect children):
Ixos amaurotis
Brown-eared bulbul
Streaked bulbul
Ixos malaccensis
Ixos rufigularis
Zamboanga bulbul
Sunda bulbul
(tree size 2)
Ixos virescens
Mountain bulbul
(tree size 9)
Ixos mcclellandii
Ixos siquijorensis
Streak-breasted bulbul
Ixos tympanistrigus
Ixos nicobariensis
Nicobar bulbul
Ixos sumatranus
Sumatran bulbul
Ixos erythropthalmos
Ixos inornatus
Ixos metallicus
Ixos monticola
Ixos pygaeus
Ixos susanii
Ixos tricolor
Ixos leucogrammicus
Ixos squamatus