The common koels are three species of
cuckoo
Cuckoos are birds in the Cuculidae family, the sole taxon in the order Cuculiformes . The cuckoo family includes the common or European cuckoo, roadrunners, koels, malkohas, couas, coucals and anis. The coucals and anis are sometimes separat ...
s. They have commonly been considered
conspecific
Biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species.
Biochemist Linus Pauling stated that "Biological specificity is the set of characteristics of living organ ...
under the scientific name ''Eudynamys scolopaceus'', but are increasingly treated as separate species:
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Asian koel
The Asian koel (''Eudynamys scolopaceus'') is a member of the cuckoo order of birds, the Cuculiformes. It is found in the Indian Subcontinent, China, and Southeast Asia. It forms a superspecies with the closely related black-billed koels, and ...
, ''Eudynamys scolopaceus''.
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Black-billed koel, ''Eudynamys melanorhynchus''.
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Pacific koel
The Pacific koel (''Eudynamys orientalis''), also known as the eastern koel or formerly Common Koel, is a species of cuckoo in the family Cuculidae. In Australia, it is colloquially known as the ''rainbird'' or ''stormbird'', as its call is usua ...
, ''Eudynamys orientalis''.
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Australian koel
The Pacific koel (''Eudynamys orientalis''), also known as the eastern koel or formerly Common Koel, is a species of cuckoo in the family Cuculidae. In Australia, it is colloquially known as the ''rainbird'' or ''stormbird'', as its call is usua ...
, ''Eudynamys (orientalis) cyanocephalus''.
{{Animal common name
Birds by common name