0Wildlife Drowning in OilCrews are trying to keep much of the Gulf oil spill below the ocean's surface—where it threatens to harm a teeming dolphin population. Eli Kintisch on a menacing scientific mystery.Updated Jul. 14, 2017 1:35PM EDT / Published May 03, 2010 12:57PM EDT Getty Images DolphinGetty Images AlligatorMark Ralston, AFP / Getty Images CrabJoe Raedle / Getty Images TernDave Martin / AP Photo FishJoe Raedle / Getty Images Northern Gannet birdAlex Brandon / AP Photo Man-O-WarAlex Brandon / AP Photo White IbisJoe Raedle / Getty Images OysterChris Graythen / Getty Images ShrimpEric Gay / AP Photo TurtleJoe Raedle / Getty Images
DolphinGetty Images AlligatorMark Ralston, AFP / Getty Images CrabJoe Raedle / Getty Images TernDave Martin / AP Photo FishJoe Raedle / Getty Images Northern Gannet birdAlex Brandon / AP Photo Man-O-WarAlex Brandon / AP Photo White IbisJoe Raedle / Getty Images OysterChris Graythen / Getty Images ShrimpEric Gay / AP Photo TurtleJoe Raedle / Getty Images