Dolphins Threatened by Mississippi River Floodwater
Scientists from the National Marine Fisheries Service are searching the eastern half of Lake Pontchartrain for 35 dolphins that might be endangered by rapidly freshening water -- overflow from the floodwaters of the Mississippi River.<img src="http://feeds.foxnews.com/~r/foxnews/scitech/~4/280815594" height="1" width="1"/>
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