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Geese, ducks and swans that spend winter in wetlands of Northern Europe are changing their migration patterns as temperatures rise, say scientists.
Researchers in Finland found some waterfowl delayed migrations by up to a month compared with 30 years ago.
The Wildfowl and Wetlands Trust (WWT) says that numbers of some very familiar species are decreasing in the UK, as many birds do not fly as far.
Autumn's birds delay migration
Seeded on Mon Nov 21, 2011 1:52 AM EST
Article Source: BBC News - Japan hit by massive earthquake
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