NOAA: 260 dolphins dead on Gulf Coast, triple usual number

National Oceanic and Atmospheric Administration scientists say it’s too early to know the cause. But they’re investigating whether lingering effects from the 2010 oil spill and salinity changes from high rivers and a Louisiana spillway opening contributed.

NOAA says on its website that a number of the dolphins stranded from Louisiana to the Florida Panhandle had sores consistent with freshwater exposure, but those are common in the spring.

A Mississippi scientist says the spillway opening is at least partly to blame for 126 deaths across Mississippi’s coastline. Moby Solangi calls it worse than the BP spill. He says 91 dead dolphins were found in Mississippi during all of 2010.

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