Biologists who work on mammals and birds assume there is nothing left to discover but when it comes to smaller vertebrates, people haven’t surveyed the mountains systematically,” says S P Vijayakumar of Centre for Ecological Sciences, Indian Institute of Science, Bengaluru, whose paper on bush frogs of the Western Ghats has been published in the Proceedings of Royal Society (Biological Sciences) this week. “We’ll hear of more frog species over the next five years. The work of the last 15 years is just showing results,” he says. His paper examines the effect of geology (mountains), ecology and climate on the way frog species diverged. Read more. See paper in Proceedings B.