| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Moho apicalis | 178818 | Gould, 1861 | Oahu 'O'o Oahu Oo | ITIS | valid | | Species |
| Moho bishopi | 178819 | (Rothschild, 1893) | Bishop's 'O'o Bishop's Oo | ITIS | valid | | Species |
| Moho braccatus | 178820 | (Cassin, 1855) | Honeyeater Kauai 'O'o O'o A'a Kauai Oo | ITIS | valid | | Species |
| Moho nobilis | 178821 | (Merrem, 1786) | Hawaii 'O'o Hawaii Oo | ITIS | valid | | Species |
