Facts
Scientific name: Gygis alba
Creole name: Dyanman Roz
Wingspan: 70 – 80 cm
Population in the Seychelles: At least 14,000 PAIRS on the granitics, several thousand more PAIRS on outer islands
World distribution: Tropical islands all around the world
Distribution in Seychelles: Breeds on all islands
Nest: In trees; no nest is built. One egg laid.
Diet: Fish, squid and crustaceans
Identification: The only all-white tern. In adults, the base of the beak is blue.