Birds migrate earlier, but some may be left behind as the climate warms rapidly

Many birds are arriving earlier each spring as temperatures warm along the East Coast of the United States. However, the farther those birds journey, the less likely they are to keep pace with the rapidly changing climate.

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<p><a href="http://www.physorg.com/news133169798.html">Birds migrate earlier, but some may be left behind as the climate warms rapidly </a></p> <p>Many birds are arriving earlier each spring as temperatures warm along the East Coast of the United States. However, the farther those birds journey, the less likely they are to keep pace with the rapidly changing climate. <br></p>