Red-Breasted Merganser
2/02/2021 Lake County, Illinois
Red-Breasted Merganser and Common Mergansers
3/10/2019 Des Plaines River Will County, Illinois
Common Merganser ♂ and Red-Breasted Merganser ♂
1/12/2018 Grundy County, Illinois
12/01/2017 87th Street SteelWorker's Park Cook County, Illinois
Red-Breasted Merganser ♀
3/15/2014 Montrose Harbor Cook County, Illinois
Red-Breasted Merganser ♂
Red-Breasted Mergansers ♂
3/02/2014 Channahon Widewaters Will County, Illinois
3/17/2013 Winthrop Harbor Lake County, Illinois
3/21/2013 Winthrop Harbor Lake County, Illinois