swing

Biology

Survey reveals that mass die-off of seabirds due to Pacific heat wave is in full swing

A group of murres at a breeding colony in Alaska. These seabirds dive and swim underwater to prey on small fish, then fly to islands and coastal cliffs to form large colonies. Credit: Sarah Schoen/U.S. Geological Survey A common seabird, the murre looks a little like a flying penguin. These rugged, tuxedo-style birds dive or swim in the ocean to…