World Bird List

Species factsheet
Sooty Tern (Onychoprion fuscatus)

Order: Onychoprion fuscatus
Family: Gulls, Terns, Skimmers (Laridae)

Danske navn: Sodfarvet Terne

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
fuscatus Gulf of Mexico and West Indies, Gulf of Guinea, s Atlantic
nubilosus Red Sea and Indian Ocean to Ryukyu Is., Philippines and Greater Sundas
serratus w and n Australia and New Guinea through Lord Howe, Norfolk and Kermadec Is and the s Pacific to Easter I.
oahuensis Bonin Is. (Japan) to the Hawaiian Is. south to Kiritimati (Line Is.)
crissalis islands off w Mexico to the Galápagos
luctuosus Juan Fernández Is. (Chile)