Seabirds carry warnings of ocean pollution, 08 May 2013 11:53

The best tools for tracking how well pollution-reduction laws are working may be seabirds. Seabirds, including pelicans, gulls and terns, are at the top of the food chain, and they absorb the toxins and pollutants contained in the fish they eat, researchers write in the May 3 issue of the journal Science. And because seabirds forage over wide areas of oceans but come back to one spot each year to breed, they provide scientists with a one-stop-shop to sample from a broad geographic region.

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