Climate change driving birds to migrate early, research reveals

A University of Edinburgh study finds birds are arriving at breeding grounds too soon, causing some to miss out on foodMigrating birds are responding to the effects of climate change by arriving at their breeding grounds earlier as global temperatures rise, research has found.The University of Edinburgh study, which looked at hundreds of species across five continents, found that birds are reaching their summer breeding grounds on average about one day earlier per degree of increasing global tem