The Koel (Eudynamys scolopaceus) is a species of cuckoo found in the Indian subcontinent, Southeast Asia, and parts of Australia. It is a large bird, typically measuring between 28 and 32 cm in length, with a wingspan of up to 50 cm. Its plumage is mainly black and grey, with a white throat and a distinctive red eye. The male has a black head and neck, while the female has a brown head and neck.
The Koel is a solitary bird, and is mainly active at night. It is a vocal species, and its call is a loud, repetitive, two-note whistle, often heard at dawn and dusk. It feeds mainly on fruit, but will also take small insects and lizards.
The Koel is a migratory species, and is found in India, Sri Lanka, Bangladesh, Nepal, Pakistan, Myanmar, Thailand, Cambodia, Laos, Vietnam, Malaysia, Singapore, Indonesia, and parts of Australia. It breeds mainly in the Indian subcontinent and Southeast Asia, and migrates to Australia during the northern winter.
The Koel is a highly successful species, and is not considered to be threatened. It is a popular bird in Indian culture, and is often featured in literature and art. It is also the national bird of Bangladesh.