Sea birds that dive, like auks, diving ducks, common loons, and grebes, are at high risk when oil is spilled. This is because they spend much of their time on the water.
But birds aren't the only creatures at risk. Oil breaks down the insulation in the fur of
marine mammals, like otters and seals. Like sea birds, they can be overexposed to the harsh elements of the sea. Oil also clogs dolphins' blowholes and fish gills and they can no longer breathe.
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