Exon Valdez Sea Otter

October 10, 2012 - 4:34 PM
This April, 3, 2012 photo provided by the Shedd Aquarium shows Kenai, one of the last two sea otters rescued from the Exxon Valdez oil spill in 1989. Shedd Aquarium officials said Wednesday Oct. 10, 2012 that they euthanized the 23 year-old, female sea otter, on Tuesday. (AP Photo/courtosy of Shedd Aquarium,Brenna Hernandez)