In this photo taken Oct. 18, 2012, seagulls and migratory birds fly over the waters of the Bay of Panama, near a mangrove forest that hugs the coastline of Panama City. A multi-year boo

 

              In this photo taken Oct. 18, 2012, seagulls and migratory birds fly over the waters of the Bay of Panama, near a mangrove forest that hugs the coastline of Panama City. A multi-year boo
In this photo taken Oct. 18, 2012, seagulls and migratory birds fly over the waters of the Bay of Panama, near a mangrove forest that hugs the coastline of Panama City. A multi-year boom in Central America’s fastest-growing economy has unleashed a wave of development along the Bay of Panama. Environmentalists warn that the construction threatens one of the world’s richest ecosystems and the habitat for as many as 2 million North American shorebirds. (AP Photo/Arnulfo Franco)