Along the Chicago lakefront, gizzard shad - a type of herring — are dying off in large numbers. Thousands, maybe more, are dead and frozen or floating in Lake Michigan. Geese and ducks are feeding on the dead and dying fish.
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Gizzard shad, members of the herring family, are more sensitive to drops in oxygen levels than most fish. And thick ice came early to Chicago harbors in December.
PHOTO: Dale Bowman~For the Sun-Times
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