This photo provided by the Wildlife Rehabilitation Center of Northern Utah shows a beaver being washed after being saturated with diesel fuel from the Willard Bay State Park spill at th

 

              This photo provided by the Wildlife Rehabilitation Center of Northern Utah shows a beaver being washed after being saturated with diesel fuel from the Willard Bay State Park spill at th
This photo provided by the Wildlife Rehabilitation Center of Northern Utah shows a beaver being washed after being saturated with diesel fuel from the Willard Bay State Park spill at the Wildlife Rehabilitation Center of Northern Utah in Ogden, Utah, Tuesday, March 26, 2013. The animals are showing signs of recovery, but have not been given a clean bill of health yet. (AP Photo/Wildlife Rehabilitation Center of Northern Utah)