The Asian koel (Eudynamys scolopaceus) is a member of the cuckoo order, Cuculiformes, and the cuckoo family, Cuculidae. It is a medium-sized bird, with a length of 33-42 cm and a wingspan of 56-61 cm. The Asian koel has a long, slender body with a distinctive black head and neck, a white belly, and a long, graduated tail. The male Asian koel has a black bill and feet, while the female has a brown bill and feet.
The Asian koel is found in a wide range of habitats throughout Asia, including forests, woodlands, grasslands, and agricultural areas. It is a migratory bird, and during the winter months, it can be found in southern China, Southeast Asia, and Indonesia. The Asian koel is a vocal bird, and its distinctive call can often be heard in its habitats. The call of the Asian koel is a loud, clear whistle, and it is often used to attract mates or defend territories.