Sri Lanka’s marbled rock frog may not be on the brink of extinction, modeling suggests

Twelve years ago, as a young undergraduate, Kanishka Ukuwela was trekking with his colleagues in the Ududumbara area along the 18 Hairpin Bends, a 6-kilometer (4-mile) ribbon of road in central Sri Lanka, and was surprised to find a rock frog by the roadside. They didn’t think it was one of the critically endangered rock frog species, commonly known as the marbled rock frog or Kirtisinghe’s rock frog (Nannophyrs marmorata), but still noted the sighting and the location.

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