Order: Gygis alba
Family:
Gulls, Terns, Skimmers
(Laridae)
| Subspecie | Distribution |
|---|---|
| alba | islands of the tropical south Atlantic Ocean |
| candida | Seychelles and Mascarene Is. to the central Pacific (except ranges of next two ssp.) |
| microrhyncha | Phoenix, Line and Marquesas Is. |
| leucopes | Pitcairn Is. |
