| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Plegadis chichi | 174928 | (Vieillot, 1817) | | ITIS | invalid | unavailable, database artifact of Plegadis chihi | Species |
| Plegadis chihi | 174926 | (Vieillot, 1817) | Ibis cara blanca White-faced Ibis | ITIS | valid | | Species |
| Plegadis falcinellus | 174924 | (Linnaeus, 1766) | Ibis cara oscura Glossy Ibis ibis falcinelle | ITIS | valid | | Species |
| Plegadis ridgwayi | 174927 | (Allen, 1876) | Puna Ibis | ITIS | valid | | Species |
