Common koel
Encyclopedia
The common koels are three species of cuckoo
Cuckoo
The cuckoos are a family, Cuculidae, of near passerine birds. The order Cuculiformes, in addition to the cuckoos, also includes the turacos . Some zoologists and taxonomists have also included the unique Hoatzin in the Cuculiformes, but its taxonomy remains in dispute...

s. They have commonly been considered conspecific under the scientific name Eudynamys scolopaceus, but are increasingly treated as separate species:
  • Asian Koel
    Asian Koel
    The Asian Koel is a member of the cuckoo order of birds, the Cuculiformes. It is found in South Asia, China, and Southeast Asia. It forms a superspecies with the closely related Black-billed and Pacific Koels which are sometimes treated as subspecies...

    , Eudynamys scolopaceus.
  • Black-billed Koel
    Black-billed Koel
    The Black-billed Koel is a species of cuckoo in the Cuculidae family. It is endemic to forest and woodland on the Indonesian islands of Sulawesi, Sula, Banggai, Togian and other smaller nearby islands. It has often been considered conspecific with E. scolopaceus, but they are increasingly treated...

    , Eudynamys melanorhynchus.
  • Pacific Koel
    Pacific Koel
    The Pacific Koel , also known as the Eastern Koel, is a species of cuckoo in the Cuculidae family. It has often been considered conspecific with the Asian and Black-billed Koels, but they are increasingly treated as a separate species...

    , Eudynamys orientalis.
    • Australian Koel, Eudynamys (orientalis) cyanocephalus.
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