Sooty tern

Sooty tern
Onychoprion fuscatus fuscatus on Ilha da Trindade, Brazil
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Charadriiformes
Family: Laridae
Genus: Onychoprion
Species:
O. fuscatus
Binomial name
Onychoprion fuscatus
(Linnaeus, 1766)
Subspecies

2–9, see text

Synonyms

Onychoprion fuscata (orth. err.)
Sterna fuscata Linnaeus, 1766
Sterna fuliginosa J. F. Gmelin, 1789
Sterna fuscata nubilosa
and see text

The sooty tern (Onychoprion fuscatus) is a tern in the family Laridae. It is a seabird of the tropical oceans, and remarkably, has evolved the ability to fly for years at a time, skimming the sea surface for food, and returning to land only to breed, on islands throughout the equatorial zone.