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Penguin Oil Spill

A volunteer Pualin Conayne holds an oiled little blue penguin at the wildlife facility in Tauranga, New Zealand Tuesday, Oct. 11, 2011. The penguins were rescued from the sea following the Liberia-flagged container ship Rena which ran aground last Wednesday has been leaking fuel. (AP Photo/ Natacha Pisarenko)

Penguins return to wild after NZ oil spill rescue

The birds released Nov. 22 are among 343 little blue penguins that have been cleaned of oil since a cargo ship ran aground on a reef near Tauranga on Oct. 5 and spilled some 400 tons of fuel oil.