There are twenty two endemic species of terrestrial birds, three endemic genera and one family. The New Caledonian crow ("Corvus moneduloides") is known for its intelligence. The laurel forest pigeon ("Columba vitiensis hyponochroa"), giant wood pigeon notou ("Ducula goliath"). Two genera are endemic: "Drepanoptila" (the green pigeon), and "Eunymphicus", Ouvea parakeet. The New Caledonian parakeet known to be the basal species in the genus "Cyanoramphus", which had its origins in New Caledonia from where it spread to many ocean Pacific islands.