At the weekends my son and I normally go to the harbour to feed the swans, ducks and any other species that happen to be about. This Sunday being no exception we loaded all the left over bread and assorted bakery produce into the car and headed on down to the harbour. After a few minutes I noticed a stranger among the normal collection which I have been reliably informed is a Ross's Goose. Even I know that this bird is not a natural visitor to the Scottish coast, so yesterday morning fir...