Jeff Skrentny:
- Great Black-backed Gull (first winter) (Larus marinus) Turning Basin #3 Calumet River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6672
Jeff Skrentny:
- Iceland Gull (first winter Thayer's) (Larus glaucoides thayeri) Turning Basin #3 Calumet River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6677
Jeff Skrentny:
- UnIDed Fish () prey of American Herring Gull (immature) (Larus argentatus smithsonianus) Turning Basin #3 Calumet River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6685
Jeff Skrentny:
- Glaucous Gull (adult) (Larus hyperboreus) Turning Basin #3 Calumet River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6691
Jeff Skrentny:
- Glaucous Gull (adult) (Larus hyperboreus) Turning Basin #3 Calumet River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6694
Jeff Skrentny:
- Glaucous Gull (first winter) (Larus hyperboreus) Turning Basin #3 Calumet River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6697
Jeff Skrentny:
- Lesser Black-backed Gull (Larus fuscus) West of Torrence Ave Bridge Calumet River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6700
Jeff Skrentny:
- Lesser Black-backed Gull (Larus fuscus) West of Torrence Ave Bridge Calumet River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6701
Jeff Skrentny:
- Mute Swan (adult pair) (Cygnus olor) Turning Basin #5 Calumet River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6706
Jeff Skrentny:
Common Merganser (hens & drakes) () Turning Basin #5 Calumet River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6709
Jeff Skrentny:
Greater Scaup (drake) (Aythya marila) Inner Harbor Jackson Park Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6713
Jeff Skrentny:
Redhead (drake & hen) (Aythya americana) Diversey Turning Basin Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6719
Jeff Skrentny:
Common Goldeneye (hens & drakes) (Bucephala clangula) Diversey Turning Basin Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6721
Jeff Skrentny:
Chicago Loop Skyline from North Avenue Turning Basin February 2018 Week #6 Jeff Skrentny IMG_6725
Jeff Skrentny:
Bufflehead (drake) () North Avenue Turning Basin North Branch Chicago River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6731
Jeff Skrentny:
Canvasback (drake) (Aythya valisineria) North Avenue Turning Basin North Branch Chicago River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6737
Jeff Skrentny:
Common Goldeneye (drake) (Bucephala clangula) Metropolitan Brewery North Branch Chicago River Chicago Cook County IL February 2018 Week #6 Jeff Skrentny IMG_6739
Jeff Skrentny:
Metropolitan Brewery Tap Room Building from across North Branch Chicago River February 2018 Week #6 Jeff Skrentny IMG_6742