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Birds migrating earlier as temperatures rise (BBC)
Migrating birds are arriving at their breeding grounds earlier as global temperatures rise, a study has found.
Birds have reached their summer breeding grounds on average about one day earlier per degree of increasing global temperatures, according to the research by Edinburgh University.
The study looked at hundreds of species across five continents.
It is hoped it will help scientists predict how different species may respond to future environmental change.
Reaching their summer breeding grounds at the wrong time - even by a few days - may cause birds to miss out on maximum availability of vital resources such as food and nesting places.
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more: http://www.bbc.com/news/uk-scotland-edinburgh-east-fife-38450228