What the tropical nation of Costa Rica lacks in size, it more than makes up for in a wealth of biodiversity. Despite occupying just 0.03% of the planet’s surface, the region's lush forests are home to an incredible 500 thousand unique organisms -- representing over 4% of all the known species on Earth. For the hundreds of animals held captive in the country's zoos, however, that hotbed of life had been replaced by the cold bars of a cage.
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Costa Rica to close all zoos and create wildlife preserves
