They always make me smile so it’s a joy to see Tufted ducks (Aythya fuligula) back on my local lakes here in south Wales. These ducks tend not to live in Wales year-round: instead, they spend most of the year in England and Scotland, only heading south-west when the days get shorter and the temperatures cooler. Numbers throughout Britain also increase during the winter months as birds from Iceland and northern Europe head to our slightly milder isles.