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Penguin Oil Spill

An oiled little blue penguin swims on a pool for recovering 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.