
Onychoprion fuscatus
John James Audubon, Birds of America (1827-1838). Public domain.
Showing primary migration corridor(s) for this species
The sooty tern (Onychoprion fuscatus) is a tern in the family Laridae. It is a seabird of the tropical oceans and can 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.
Source: Wikipedia
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