bulbuls eat a wide range of foods, ranging from fruit to seeds, nectar, small insects and other arthropods and even small vertebrates. the majority of species are frugivorous and supplement their diet with some insects, although there is a significant minority of specialists, particularly in africa. open country species in particular are generalists. bulbuls in the genus "criniger" and bristlebills in the genus "bleda" will join mixed-species feeding flocks.