By By Kev Hedges Jan 16, 2011 in Environment Three seal pups, only a few days old, have survived a journey from a small group of islands off the coast of northern England turning up on a beach in Holland, a journey of 350 miles through storm-battered seas. Severe storms are believed to have washed the seal pups off the islands, some of which become submerged during high-tides and stormy conditions. One pup had been marked with dye on November 30 and was found in Holland on December 13. In the last few days two more have turned up and now all three are being cared for by a seal rescue centre in the Netherlands. OS survey map of the Farne Islands. Machaerus Grey seal pups can swim at an early age but not until they have weaned and ditched their white coating which is normally around four weeks. The three seal pups, dubbed the Farne Island Three, by The seal pups had been marked with coloured dye by National Trust wardens on the day they were born on the Farne Islands, a small group of around 20 islands scattered three miles from mainland Northumberland, on north England's eastern coast.Severe storms are believed to have washed the seal pups off the islands, some of which become submerged during high-tides and stormy conditions. One pup had been marked with dye on November 30 and was found in Holland on December 13. In the last few days two more have turned up and now all three are being cared for by a seal rescue centre in the Netherlands. Sky News reports David Steel, a National Trust warden on the Farne Islands, as saying: "It was far too young to be swimming in the North Sea. Staggeringly, it made this 350-mile crossing to the Netherlands. It's an incredible journey."Grey seal pups can swim at an early age but not until they have weaned and ditched their white coating which is normally around four weeks. The three seal pups, dubbed the Farne Island Three, by Mail Online should have been frolicking on the beach, taking their first tentative dips in and out the sea and weaning. But it would seem these youngsters are made of sterner stuff. The first of the seal pups was discovered by a member of the public on a Dutch beach on the island of Texel - it was less than three weeks old. More about Seal pups, England, Northumberland More news from seal pups england northumberland