Ecology Sooty tern

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adult o. f. nubilosus egg in nest , seychelles



o. f. nubilosus @ bird island, seychelles, home more million of sooty terns @ peak


sooty terns breed in colonies on rocky or coral islands. nests in ground scrape or hole , lays 1 3 eggs. feeds picking fish surface in marine environments, in large flocks, , comes land except breed, , can stay out sea (either soaring or floating on water) 3 10 years.


this bird migratory , dispersive, wintering more through tropical oceans. has marine habits compared terns; sooty terns found inland after severe storms. field museum, example, has male specimen found exhausted on august 2, 1933 on slopes of mount cameroon above buea, 1,000 m (3,300 ft) asl, after foul weather had hit gulf of guinea. species rare vagrant western europe, although bird present @ cemlyn bay, wales 11 days in july 2005.


it not found on pacific coasts of americas due pelagic habits. @ baja california, several nesting locations offshore, can seen more frequently, whereas example 2 individuals have ever been recorded on coast of el salvador - 1 ring recovered in 1972, , bird photographed on october 10, 2001 @ lake olomega blown there storm . hurricanes can devastate small breeding colonies, has been surmised example sooty tern nesting sites on cays off san andrés islands of colombia.


an exceptionally common bird, sooty tern not considered threatened iucn.








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