Worm-eating mice reveal how evolution works on islands

When animals are isolated on islands, they can evolve into strange new species found nowhere else on Earth. But what’s the cut-off — how small can an island be and still support the evolution of multiple new species from a single common ancestor? A family of worm-eating mice from a tiny island in the Philippines have set a new lower limit for island size and evolution. https://www.sciencedaily.com/releases/2018/05/180516085658.htm