The News Feature 'Reflecting the past' ( Nature 462, 30–32; 2009) suggested that wolves from reintroduction programmes might find their way to the Oostvaardersplassen reserve. In fact, the closest wolves are expanding from eastern Europe without human help. In addition, what was described as cattle 'wallows' are better termed 'scratching pits', as the cattle use their hooves to make them rather than rolling on their backs.