Common koel

The common koels are three species of cuckoos. They have commonly been considered conspecific under the scientific name Eudynamys scolopaceus, but are increasingly treated as separate species:


 * Asian Koel, Eudynamys scolopaceus.
 * Black-billed Koel, Eudynamys melanorhynchus.
 * Pacific Koel, Eudynamys orientalis.
 * Australian Koel, Eudynamys (orientalis) cyanocephalus.