Nearly five years after the Deepwater Horizon oil spill, dolphins in the Gulf of Mexico continue to die at unprecedented rates, endangered Kemp’s ridley sea turtles are experiencing diminished nesting success, and many species of fish are suffering from abnormal development among some juveniles after exposure to oil. Those are the conclusions of a new study from the National Wildlife Federation, released three weeks before the fifth anniversary of the Deepwater Horizon spill, which began on April 20, 2010. The study also said that populations of brown pelicans and laughing gulls have declined by 12 and 32 percent respectively, and that oil and dispersant compounds have been found in the eggs of white pelicans nesting in Minnesota, Iowa, and Illinois. The National Wildlife Federation said that the oil giant, BP, must be held fully accountable for the environmental damage and that fines and penalties should be used to restore habitats in the Gulf. Meanwhile, in advance of the spill’s fifth anniversary, BP is stepping up its public relations efforts to assure consumers that life is returning to normal in the Gulf.