MARK OSWALD/CNNA heron fishes from a newly deployed oil boom on Monday, June 21, 2010 of Okaloosa Island.
GETTY IMAGESA group of pelicans sit on a dredging hose in Barataria Bay Saturday, June 19, 2010 near Port Sulpher, Louisiana.
GETTY IMAGESOil clouds the surface of Barataria Bay on Saturday.
GETTY IMAGESControlled oil burns create thick plumes of smoke near the site of the Deepwater Horizon rig on Saturday.
GETTY IMAGESCollected gas and oil is burned aboard the Discoverer Enterprise oil rig.
GETTY IMAGESPlaquemines Parish Coastal Zone Management Director P. J. Hahn holds up an oil-stained Sandwich Tern in Long Bay on Saturday.
GETTY IMAGESThe Tern was brought to the Louisiana Department of Wildlife and Fisheries for rehabilitation.
GETTY IMAGESOil collects between booms in Bataria Bay on Saturday near Grand Isle, Louisiana.
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