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Probably one of the most striking and beautiful seabirds on the planet. This unique tern is unmistakable. Its body is a dark slate grey, wings have dark tips, a fine white wing bar and the trailing edge to the wing is also white. Bill and feet are bright dark red with a bright yellow gape and the characteristic flowing white mustaches.
This spotting made at one of the piers in the Miraflores area of Lima city in Peru. The birds were coming to rest and preen under the jetty.
Found only in the Humboldt Current, these birds are listed as near threatened globally. Numbers appear to be reducing rapidly. They are the only members of the genus Larosterna.