In 1996, when herpetologist Rafe Brown accompanied a few biologists to the Philippine island of Mindanao to study frogs, they heard a cacophony near their campsite. In a puddle that skirted the forest, hundreds of chubby frogs with big, bright eyes had gathered, looking for mates to breed with…
Deforestation in the Philippines may have caused infertile hybrids of endemic frogs, study finds
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