The Gulf Oil Spill Disintegrated This Island

April 14, 2015 - Cat Island was once one of the four largest bird-nesting grounds in Louisiana. But the Deepwater Horizon oil spill killed the mangroves growing there, destroying the root system that held the island's sediment in place. Since 2010, the 5.5 acre island has been washing away into the Gulf of Mexico, and migratory birds find their home disappearing before their eyes.

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"Scientists tracking Gulf sparrows, insects, and seabirds try to unravel the mysteries of a landscape changed by oil."