Rescue workers try to push a humpback whale that had become stranded back out to sea at Geriba beach in Buzios, 192 kilometers from Rio de Janeiro, Oct 26, 2010. The whales migrate north from Antarctica to mate from July to November off the coast of Brazil. [Photo/Agencies]

Rescue workers try to push a humpback whale that had become stranded back out to sea at Geriba beach in Buzios, 192 kilometers from Rio de Janeiro, Oct 26, 2010. [Photo/Agencies]