In this photo taken Friday Oct. 5, 2012, a trumpeter swan flies over Potter Marsh in Anchorage, Alaska. Trumpeter swans continued a remarkable comeback from near extinction in the Lower

 

              In this photo taken Friday Oct. 5, 2012, a trumpeter swan flies over Potter Marsh in Anchorage, Alaska. Trumpeter swans continued a remarkable comeback from near extinction in the Lower
In this photo taken Friday Oct. 5, 2012, a trumpeter swan flies over Potter Marsh in Anchorage, Alaska. Trumpeter swans continued a remarkable comeback from near extinction in the Lower 48 states and much of their Alaska habitat, said federal wildlife biologist Deborah Groves, who has counted Alaska swans since 1990. (AP/Dan Joling)
Tags: WHO , Alaska