Claus Meyer / Visitors explore an expansive cavern with stalactites, Vale Do Peruacu, Minas Gerais, south Cerrado savannah, Brazil
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Mark Moffett / Thin-spined Porcupine (Chaetomys subspinosus) once thought to be extinct, on a tree trunk at night held by its tail by expert tracker Mr Souza and researcher Rivelino Galvao, both looking at the noctu...
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Mark Moffett / Tourists admiring the Iguacu Falls, world's largest waterfalls and the largest tourist attraction in the Atlantic Forest ecosystem, Brazil and Argentina border
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Mark Moffett / Military River Frog (Thoropa miliaris) the only frog in the world to hunt in tide-pools, observed by biologist Richardo Sowaya Atlantic Forest, near Sao Paulo, Brazil
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Mark Moffett / Tree (Andreadoxa flava), the only known individual of a new tree genus living in a cocoa plantation, observed by its discoverer, Andre de Carvalho, Atlantic Forest ecosystem, Brazil
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Claus Meyer / Green Anaconda (Eunectes murinus) captured, Pantanal ecosystem, Brazil
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Mark Moffett / Tourists at the Iguacu Falls, world's largest waterfalls and the largest tourist attraction in the Atlantic Forest ecosystem, Brazil and Argentina border
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Claus Meyer / Horsemen riding through shallow water, southern Brazil
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Claus Meyer / Caiapo Indian group in traditional ceremonial costume, south Amazon ecosystem, Brazil