Science Global warming imperils half of North America's bird species, says Audubon report (+video)

A report by the National Audubon Society says that the habitats for more than half of North America's 588 bird species will shrink significantly or move to an entirely new location.

By , AP Science Writer

David Brezinski/US Fish and Wildlife Service/AP

As the world gets warmer, the Baltimore oriole will no longer be found in Maryland. The Mississippi kite will move north, east and pretty much out of its namesake state. And the California gull will mostly be a summer stranger to the Golden State.