Why do ocean animals eat plastic?

Why would an apex ocean predator eat gloves? Or rope? Or plastic cups? How does a whale end up with more than 200 pounds of waste in its stomach?

Scientists rush to rescue sea turtles threatened by mysterious Brazil oil spill

Crude oil has been washing up along a 1,200-mile stretch of coastline of the Brazilian northeast for over a month, leaving more than 150 of Brazil’s postcard-perfect beaches covered in thick, sludgy black patches. It is also along this coastline that olive ridley and loggerhead sea turtles come to make their nests and lay their eggs.