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Ecuador | Rare—and beautiful—glassfrog rediscovered in Río Manduriacu Reserve

One of the world’s rarest, most beautiful and least-seen frogs has been rediscovered — thanks, in part, to a scientist’s parasitic infection.

Two years ago a team of scientists arrived in Ecuador’s Río Manduriacu Reserve, an astonishingly lush and biodiverse canyon that’s the only known habitat for the critically endangered Tandayapa Andes toad (Rhaebo olallai). The researchers had planned a series of night surveys in the hopes of documenting the breeding behavior for the rare toad, which had been rediscovered there in 2012.

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