Common Mergansers
2/02/2020 Grundy County, Illinois
12/23/2019 Heidecke Lake Grundy County, Illinois
3/10/2019 Des Plaines River Will County, Illinois
Common Merganser
3/02/2019 Des Plaines River Will County, Illinois
Common Merganser ♀
2/19/2017 Willamette River Oregon City, Oregon
Common Merganser ♂
Common Mergansers ♂
2/13/2016 Illinois Ornithological Society's Gull Frolic North Point Marina Lake County, Illinois
3/05/2015 Will County, Illinois
3/05/2015 Mississippi River Quad Cities Area
3/15/2014 Montrose Harbor Cook County, Illinois
3/14/2014 Channahon Widewaters Will County, Illinois
Common Mergansers ♀
3/08/2014 Channahon Widewaters Will County, Illinois
2/09/2014 Channahon Widewaters Will County, Illinois
3/28/2013 Illinois River Widewaters Will County, Illinois
