Read this: BBC - BBC Internet Blog: What's On BBC Red Button 19th - 27th November
Summary: Thanks to 40 years of research by the Wildfowl and Wetlands Trust, a great deal is known about the returning swans. Some of the families are long established dynasties and have been coming back to the lake in the Rushy Pen for an amazing 50 years. What's more, it's possible to identify each individual swan by the pattern of yellow and black on its bill. - bbc.co.ukwww.bbc.co.ukBBC - BBC Internet Blog: What's On BBC R…
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