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Cocos Island National Park is an important point of travel for migratory sharks in the Eastern Tropical Pacific, and is home to almost half the endemism in Costa Rica
Photo: Avi Klapfer
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Cocos Island National Park is recognized globally as a reservoir for biodiversity and endemism. As a habitat for more than 300 species of marine fish, 600 species of marine mollusks, 800 species of insects, 130 species of birds, five species of freshwater fish and 500 species of plants, Cocos Island is home to almost 50% of the endemism in Costa Rica. Additionally, one of the largest congregations of the scalloped hammerhead shark occurs in Cocos Island National Park.

The waters of Cocos Island are highly productive, due to its location at the intersection of the Panama Current and the Pacific Equatorial Countercurrent. The convergence of these currents, combined with the various ecosystems in the area such as coral reefs, deep-sea pelagic ecosystems and shallow waters, have made Cocos Island an extraordinary habitat.

Cocos Island was established as a National Park in 1978, and was expanded several times over the following years to include the marine environment. In 1997, Cocos Island was designated as a UNESCO World Heritage Site, to recognize its unique geological structure and the incredible amount of biodiversity that resides there.

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Cocos
Photo: Shumulik Blum