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REMARKABLE SCENES above and below reward the persistence of expedi- 

 tion photographers. Above is a close-up of nesting grounds of the Heerman 

 Gull, Larus heermanni, on Georges Island. Below, gulf waters are churned 

 into a froth by millions of leaping anchobetas, harried from below by feeding 

 fishes and from above by hungry marine birds. 



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