DISCOVER Wildlife havens AS CHARLES DARWIN famously discovered in the Galapagos, islands can have the wildest wildlife. Each summer, one little isle off the coast of Wales hosts more than 40,000 puffins, loud crowds of storm petrels, guillemots, razorbills, kittiwakes and fulmars, and 350,000 pairs of Manx shearwaters – the largest colony on Earth.
Skomer Island is severed from Pembrokeshire's mainland, and its predatory foxes and rats, by the turbulent currents of Jack Sound. The main chunk of isle measures about a mile top to toe, and is slightly wider across, with another smaller lump called The Neck hanging on by a rocky sinew. Its shore corrugates in and out, up and down, and your walk kicks off with 87 steps up from the crag where the boat arrives at…