5 Costa Rican frogs that came back from suspected extinction and 1 that didn’t

Climate change, habitat destruction, the illegal pet trade and the spread of a severe and incurable fungus have been killing off amphibian species in droves in Costa Rica since the late 1980s. Many once-abundant species are now extinct, but according to a study released this month in the journal Amphibia-Reptilia, there may be hope. Leer más.

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