Huge numbers of snow geese migrate to Skagit Valley farmlands from Alaska and Wrangell Island, Russia. Come learn more about their fascinating history and challenges with wildlife biologist Martha Jordan, who is coordinator for Washington Swan Stewards, which is the local branch of The Trumpeter Swan Society. Make your reservations early! Reservations required (360-466-3821 or 800-585-8200); $5 class fee.