The Persian nightingale (Pycnonotus jocosus). The name is also applied to several other Asiatic singing birds, of the family Timaliidæ. The green bulbuls belong to the Chloropsis and allied genera.
- Any of various passerine, chiefly tropical Old World songbirds of the family Pycnonotidae, having grayish or brownish plumage.
- A songbird often mentioned in Persian poetry and thought to be a nightingale.