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February 27, 2012 Study: Climate Change Altering Bird Migration
There's more evidence that climate change is altering bird
migration patterns. A new study from UNC-Chapel Hill finds some
species along the east coast are migrating three-to-six days
earlier than they were just ten years ago. Allen Hurlbert is an
assistant professor of biology at UNC. He says birds face
problems if they get the timing wrong. Allen Hurlbert:
Individuals arriving too early may face adverse conditions
weather-wise, they may arrive and there are very limited
resources there for them to eat. But individuals that arrive too
late, they may face disadvantages in establishing