It’s late April, and the Great Lakes are still nearly one-third covered by ice. That’s according to the National Oceanic and Atmospheric Administration’s Great Lakes Environmental Research Laboratory. Scientists there say that’s the second biggest freeze on the lakes in 40 years. We’ve reported already on the impact that’s had on slowing shipping. But we wondered, too, what happens to fish and fowl? Phil Willink from Chicago’s Shedd Aquarium explains. Photo: Flickr/Chris SmithOut of Chicago