For many birders, wildfowl offer a welcome tonic from the short, dark days of winter. Huge flocks of ducks, geese and swans can provide plenty of entertainment, whether it be searching for a rarity in the masses or simply sitting back and enjoying the spectacle of huge numbers of birds flocking together. There are few better places in Britain to appreciate huge congregations of wildfowl than Loch Leven in eastern Scotland. In the February issue of Birdwatch, Dan Owen profiles this special site, exploring its history, birds and offering tips on the best places to try. After a period of population increase, the distinctive Greenland White-fronted Goose is now exhibiting an alarming decline. This goose, which many have touted as a candidate for full species status, is becoming worryingly scarce in many of its traditional winter haunts – but why? Tony Fox explores what is going on.