How Genes Can Leap From Snakes to Frogs in Madagascar

Perched on a leaf in the rainforest, the tiny golden mantella frog harbors a secret. It shares that secret with the fork-tongued frog, the reed frog and myriad other frogs in the hills and forests of the island nation of Madagascar, as well as with the boas and other snakes that prey on them. On this island, many of whose animal species occur nowhere else, geneticists recently made a surprising…

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