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vanishing sixth mass extinction costa rica rainforest frogs amphibians chytrid sutter bu orig_00015320
vanishing sixth mass extinction costa rica rainforest frogs amphibians chytrid sutter bu orig_00015320

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    He can hear species disappearing

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He can hear species disappearing

CNN columnist John Sutter heads to the rainforests of Costa Rica where scientists use sound recordings to listen for the extinction of amphibian species.

He can hear species disappearing

CNN columnist John Sutter heads to the rainforests of Costa Rica where scientists use sound recordings to listen for the extinction of amphibian species.