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The Yin and Yang of ecology and evolution

The caterpillar of the swallowtail butterflies changes its appearance and colour at various stages of its elaborate life cycle, to escape predators. But, how exactly do they do this? A new study by researchers, Nikkil Gaitonde, Janhavi Joshi and Krushnamegh Kunte at the National Centre for Biological Sciences (NCBS), Bengaluru, answers some of these questions. The study was published in the journal Ecology and Evolution.