Contamination monitored with bird blood

Read the full story at Great Lakes Echo.

Birds give the word on Great Lakes contamination under a U.S. Geological Survey program. Since 2010 the federal agency has monitored contaminants in the blood and tissues of birds to track environmental trends and monitor the success of chemical cleanups.

Fifty sites have been sampled throughout all the Great Lakes states and 2 more will be added this year on the Cuyahoga River in Ohio and at Deer Lake in the Upper Peninsula. Additional sites will also be added within areas that have already been sampled including the Buffalo River and St. Louis.

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