Northern rockhopper penguin (Eudyptes moseleyi) covered in spilled oil from the wreck of the MS Oliva, Nightingale island, Tristan da Cunha Group, South Atlantic Ocean

Northern rockhopper penguins (Eudyptes moseleyi) covered in spilled oil from the wreck of the MS Oliva, Nightingale island, Tristan da Cunha Group, South Atlantic Ocean

A worker vacuums oil from behind a containment boom on the Kalamazoo River during the cleanup of a major oil spil in which 800, 000 gallons of oil spilled from an Enbridge Energy Partners pipeline, Battle Creek, Michigan, USA

A worker vacuums oil from behind a containment boom on the Kalamazoo River during the cleanup of a major oil spil in which 800, 000 gallons of oil spilled from an Enbridge Energy Partners pipeline, Battle Creek, Michigan, USA

Commercial fishing boats have been converted to oil cleanup crews as part of the "vessels of opportunity" program managed by BP.