Roseate Tern

Taxonomy conform IOC World Bird List

Distribution

• Worldwide : patchily temperate to tropical Atlantic, tropical Indian, and subtropical to tropical w Pacific to Vanuatu

Subspecies

• dougallii - islands and coasts of North Atlantic and continental w tropical Indian Ocean: Azores, British Isles and w France; Somalia to Tanzania (ne, e Africa) and s Africa; coastal se Canada and ne USA (w North Atlantic), Florida Keys, Belize cays, islands off n Honduras, West Indies and islands n of Venezuela
• arideensis - w tropical Indian Ocean islands: Farquhar and Amirantes groups (c Seychelles) and Aride (nc Inner Is., ne Seychelles) to coastal w Madagascar and St. Brandon (=Cargados Carajos Shoals, n of Mascarenes)
• korustes - c, ec tropical Indian Ocean: islands off w India and Sri Lanka, Andaman Is. and Mergui Archipelago (sw Myanmar)
• bangsi - islands off tropical and subtropical e Indian and w Pacific oceans: Ryukyu Is. (s Japan), e China, Con Dao Is. (se of Vietnam), s Thailand, Malay Peninsula, New Guinea satellites, Bismarck Archipelago, Solomon Is., Vanuatu and New Caledonia including Loyalty Is.
• gracilis - islands off Moluccas, and w, n, ne Australia