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A bizarre scene is evolving on the Chicago lakefront, with Canada geese and mallard ducks gulping down dead or dying gizzard shad.
A major die-off of what appears to be the 2010 class is happening in Chicago harbors. Thousands...
aquatic life
biologist
bizarre events
canada geese
chicago harbors
environmental impact
extreme cold
fish die-off
fish sensitivity
fisherman
gizzard shad
lake michigan
mallard ducks
natural history
north side
oxygen levels
perchamerica
species interaction
wildlife behavior
