Waterbirds on Lake St. Clair (IMAGE) Michigan State University Caption A mixed flock of waterbirds including canvasback, redhead and scaup species on the shore of Lake St. Clair during a study of Great Lakes waterbirds. Credit Michigan DNR Usage Restrictions with credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.