Dolphins swim in heavily oiled waters off of Grand Terre Island, Louisiana, June 2010.
Dolphins swim in heavily oiled waters off of Grand Terre Island, Louisiana, June 2010.
Dolphins swim in heavily oiled waters off of Grand Terre Island, Louisiana, June 2010.

NOAA: BP oil spill may have contributed high mortality rate of dolphins

October 28, 2011 12:17 PM