And yet cities seem to offer more nectar and pollen for the bees and butterflies, or so researchers at Bristol university are hoping to prove. Perhaps the fields outside Strasbourg have a wider variation of food plants than our vast sheets of oil-seed rape. But it does sound very beautiful, Richard, and well done on finding the ducks. We were thrilled when a pair of mallards came to feed in our man-made lake at the Botanic garden.