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WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to global levels in nearly 100 countries.
Although only a fragment of the original biome remains, the Atlantic Forest is second only to the Amazon in biodiversity in the Americas. The density of biodiversity there is staggering, with 443 tree species identified in a single hectare. Remaining forest fragments provide refuge to endangered species, including jaguars, golden lion tamarins, woolly spider monkeys, maned three-toed sloths, and red-tailed parrots. New species continue to be found in this rich forest complex despite its current state. Since 1990, more than 30 mammal species, nine bird species, and about 100 species of frogs have been discovered there.