WIole is a genus of songbirds in the bulbul family, Pycnonotidae. They are native to tropical eastern Asia, from India to China and south through Southeast Asia to northern Indonesia.
WThe buff-vented bulbul is a species of songbird in the bulbul family, Pycnonotidae. It is found in south-eastern Myanmar, south-western Thailand, on the Malay Peninsula, Sumatra and nearby islands. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
WCharlotte's bulbul is a species of songbird in the bulbul family, Pycnonotidae. It is found on Borneo in its natural habitat of subtropical or tropical moist lowland forests. It is threatened by habitat loss.
WFinsch's bulbul is a species of songbird in the bulbul family, Pycnonotidae. It is found on the Malay Peninsula, Sumatra, and Borneo. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
WThe grey-eyed bulbul is a species of songbird in the bulbul family, Pycnonotidae. It is found in Southeast Asia in its natural habitat of subtropical or tropical moist lowland forests.
WThe olive bulbul is a species of songbird in the bulbul family, Pycnonotidae. It is found from southern Myanmar to south-western Thailand and the Malay Peninsula. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.
WThe sulphur-bellied bulbul is a songbird species in the bulbul family, Pycnonotidae. It is endemic to Palawan (Philippines). Its natural habitat is subtropical or tropical moist lowland forests. It is not considered a threatened species by the IUCN.