One of the most incredible bird scenes in Europe took place as I hiked through the Bielawa nature reserve in northern Poland, about 40 miles north of Gdansk. I had left the village of Sławoszyno via a dirt track and was heading towards Kłanino, the open countryside and fields disappearing from my sight as the hedgerows grew taller either side of me. As I stepped forward, a gap appeared in the hedge and in front of my eyes a flock of nearly 100 cranes, which had been silent, took off across the field, honking with their red-tinged heads and faces, and feathery wing feathers flapping. I could almost touch them. The 19,000-hectare (47,000-acre) park is a mix of forest, wetland and coast. Rita