Giant

Giant tortoises are seen on the Galapagos islands April 29, 2007, where British naturalist Charles Darwin conceived his theory of evolution. REUTERS/Guillermo Granja

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A blue-footed boobie stands on a rock in San Cristobal Island, January 28, 2001. REUTERS/Stringer

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A flamingo feeds at a lake on Santa Cruz in Galapagos Archipielago, August 1, 2003. REUTERS/Guillermo Granja

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A seal rests on the rocks as the ship Jessica, carrying 160,000 gallons (606,000 liters) of diesel fuel and about 60,000 gallons of other liquids, ran aground 870 yards (800 meters) from the Galapagos' main port on San Cristobal Island on January 20, 2001. REUTERS/Stringer

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A dog strolls by a giant tortoise on Santa Cruz Island, January 29, 2001. REUTERS/Guillermo Granja

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An iguana rests on a rock along the shore of San Cristobal island in the Galapagos Island chain as workers try to extract the remaining petroleum from the Ecuadoran tanker Jessica (rear), one week after it ran aground, spilling diesel and bunker fuel into the sea, January 23, 2001. REUTERS/Stringer

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A Zayapa red crab perches on a rock in the Galapagos islands April 29, 2007. REUTERS/Guillermo Granja

Tourists

Tourists look at a giant tortoise at Galapagos National Park in Santa Cruz September 15, 2008. REUTERS/Guillermo Granja

Tortoises

Tortoises with numbers marked on their backs are seen at Galapagos National Park in Santa Cruz September 15, 2008. REUTERS/Guillermo Granja

Sea

Sea lions rest on rocks on the Galapagos islands April 29, 2007. REUTERS/Guillermo Granja

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A troop of marine iguanas warm themselves in the sun in the Galapagos Islands. REUTERS/Daniel Flynn

Conservationists

Conservationists attract pelicans with fish to inspect them for contamination as one of the birds lands on the shoulder of one of the men, around San Cristobal island in the Galapagos Islands, January 27, 2001. REUTERS/Guillermo Granja

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A seal is seen on the beach as the sun sets at San Cristobal in the Galapagos Island, January 25, 2001. REUTERS/Guillermo Granja