California Gull (adult) - Michigan City Harbor, LaPorte County, Indiana - August, 2016
California Gull (adult) - Santa Barbara, CA - April, 2011 and Bear River NWR, UT - March, 2017
California Gull (breeding adult in flight) - Antelope Island, Utah - March, 2017
California Gull (nonbreeding adult in flight) - Monterey Bay, California - September, 2017
California Gull (3rd cycle in flight) - Salton Sea, California - June, 2006
California Gull (2nd cycle) - Monterey Bay, California - September, 2017
California Gull (1st cycle) - Monterey Bay, California - September, 2017
California Gull (1st cycle in flight) - Monterey Bay, California - September, 2017
California Gull (juvenile) - Monterey Bay, California - August, 1995
Herring Gull (adult) - Hammond Marina, Hammond, Indiana - March, 2003
Herring Gull (adult in flight) - Michigan City Harbor, LaPorte County, Indiana - December, 2010
Herring Gull (3rd cycle) - Lake County, IN - February, 2018 and LaPorte County, IN - December, 2010
Herring Gull (3rd cycle in flight) - Port of Indiana, Porter County, Indiana - January, 2018
Herring Gull (2nd cycle) - Hammond Marina, Hammond, Indiana - March, 2003
Herring Gull (2nd cycle in flight) - Porter and Lake County, Indiana - January and February, 2018
Herring Gull (1st cycle) - Michigan City Harbor, LaPorte County, Indiana - December, 2002
Herring Gull (1st cycle in flight) - Michigan City Harbor, LaPorte County, Indiana - December, 2010
Herring Gull (juvenile) - Miller Beach, Lake County, Indiana - August and July, 2017
Vega Herring Gull (adult) - Gambell, St. Lawrence Island, Alaska - June, 2016
Vega Herring Gull (nonbreeding adult) - Elkhart County, Indiana - January and February, 2024
Vega Herring Gull (1st cycle) - Gambell, St. Lawrence Island, Alaska - June, 2016
Albino Herring Gull - Michigan City Harbor, Indiana - October, 2001
Herring Gull (adult with dark eyes!) - Michigan City Harbor, Indiana - March, 2003
"white-winged" Herring Gull (with limited black primaries) - Indiana Lakefront
Iceland Gull "Thayer's form" (adult) - Winthrop Harbor, Waukegon, Illinois - February, 2020
Iceland Gull "Thayer's form" (adult in flight) - Winthrop Harbor, Waukegon, Illinois - February, 2020
Iceland Gull "Thayer's form" (adult in flight) - Lake County, Illinois and Lake County, Indiana
Iceland Gull "Thayer's form" (3rd cycle) - Lake Michigan
Iceland Gull "Thayer's form" (3rd cycle in flight) - Whiting Refinery Beach, Lake County, Indiana - February, 2015
Iceland Gull "Thayer's form" (3rd cycle in flight) - Calumet Park, IL - November, 2013 and Michigan City, LaPorte County, IN - December, 2010
Iceland Gull "Thayer's form" (2nd cycle) - Miller Beach, Lake County, IN - November, 2017 and Michigan City Harbor, LaPorte County, IN - December, 2010
Iceland Gull "Thayer's form" (2nd cycle in flight) - Whiting Refinery Beach, Lake County, Indiana - February, 2010
Iceland Gull "Thayer's form" (2nd cycle in flight) - Miller Beach, Lake County, Indiana - November, 2017
Iceland Gull "Thayer's form" (1st cycle) - Lake Michigan Lakefront, Indiana
Iceland Gull "Thayer's form" (1st cycle in flight) - Elkhart County and LaPorte County, Indiana
Kumlien's Iceland Gull (adult) - Lake County, Indiana - January, 2002 and February, 2015
Kumlien's Iceland Gull (very pale adult) - Winthrop Harbor, Waukegon, Illinois - February, 2020
Kumlien's Iceland Gull (adult in flight) - Hammond Marina, Lake County, Indiana - February, 2009
Kumlien's Iceland Gull (very pale adult in flight) - Winthrop Harbor, Waukegon, Illinois - February, 2020
Kumlien's Iceland Gull (adult) - Michigan City Harbor, LaPorte County, Indiana - December, 2002
Kumlien's Iceland Gull (adult with entirely white primaries) - Michigan City Harbor, LaPorte County, Indiana - December, 2001
Kumlien's Iceland Gull (3rd cycle in flight) - Three Rivers, St. Joe County, Michigan - February, 2017
Kumlien's Iceland Gull (2nd cycle) - Hammond Marina, Lake County, IN - January, 2006 and Constantine, St. Joe County, MI - February, 2017
Kumlien's Iceland Gull (2nd cycle in flight) - Lake County, Illinois and St. Joe County, Michigan
Kumlien's Iceland Gull (1st cycle) - Michigan City Harbor, Michigan City, IN - October, 2013 and December, 2003, and Whiting Refinery Beach, Lake County, IN - February and March, 2014
Kumlien's Iceland Gull (1st cycle in flight) - Whiting Refinery Beach, Lake County, Indiana - March, 2014 and February, 2014
Kumlien's Iceland Gull (1st cycle in flight) - Lake County, Illinois and LaPorte County, Indiana
Putative Iceland Gull - Larus glaucoides glaucoides (adult) - Three Rivers, St. Joe County, Michigan - January, 2017
Lesser Black-backed Gull (adult) - New Buffalo, Michigan and Waukegon, Illinois
Lesser Black-backed Gull (adult in flight) - Winthrop Harbor, Waukegon, Illinois - February, 2020
Lesser Black-backed Gull (unusually pale adult) - Jeorse Park, E. Chicago, Indiana - November, 2002
Lesser Black-backed Gull (3rd cycle) - Constantine, St. Joe County, Michigan - February, 2017
Lesser Black-backed Gull (3rd cycle in flight) - Whiting Park, Lake County, Indiana - February, 2010
Lesser Black-backed Gull (2nd cycle) - Northwest Indiana and Southern Michigan
Lesser Black-backed Gull (2nd cycle in flight) - Northwest Indiana
Lesser Black-backed Gull (1st cycle) - Waukegon, IL - February, 2020, Lake County, IN - September, 2019, Porter County, IN - October, 2004 and Berrien County, MI - December, 2004 and November, 2015
Lesser Black-backed Gull (1st cycle in flight) - Waukegon, IL - February, 2020, Constantine, MI - February, 2017, and Miller, IN - September, 2019
Slaty-backed Gull (adult) - Port of Indiana, Porter County, Indiana - February 20, 2016
Slaty-backed Gull (adult) - Elkhart County Landfill, Indiana - January 26, 2023
Yellow-footed Gull (3rd cycle) - Salton Sea, California - June, 2006
Western Gull (adult) - Ventura, CA - June, 2006 and Moss Landing, CA - April, 2012
Western Gull (adult in flight) - Ventura, California - June, 2006
Western Gull (3rd cycle) - Ventura, California - June, 2006
Western Gull (3rd cycle in flight) - Monterey Bay, California - September, 2017
Western Gull (2nd cycle) - Monterey Bay, California - September, 2017
Western Gull (2nd cycle in flight) - Monterey Bay, California - September, 2017
Western Gull (worn 1st summer) - Ventura, California - June, 2006
Western Gull (juvenile molting into 1st winter) - Monterey Bay, California - September, 2017
Western Gull (1st cycle in flight) - Monterey Bay, California - September, 2017
Glaucous-winged Gull (adult) - Olympia, Washington - June, 2018
Glaucous-winged Gull (3rd cycle) - Olympia, Washington - June, 2018
Glaucous-winged Gull (2nd cycle) - St. Paul, Pribilof Islands, Alaska - May, 2016
Glaucous-winged Gull (1st cycle) - Moss Landing, CA - April, 2012, Santa Barbara, CA - April, 2011 and Olympia, WA - June, 2018
Glaucous Gull (adult) - Michigan City Harbor, Indiana - February, 2002
Glaucous Gull (adult in flight) - Whiting Refinery Beach, Lake County, Indiana - February, 2010 and January, 2013
Glaucous Gull (3rd cycle) - Michigan City Harbor, LaPorte County, Indiana - December, 2018
Glaucous Gull (3rd cycle in flight) - Michigan City Harbor, LaPorte County, IN - December, 2018, Whiting Refinery Beach, Lake County, IN - March, 2014 and Ogden Dunes, Porter County, IN - February, 2009
Glaucous Gull (2nd cycle) - Whiting Refinery Beach, Lake County, IN - Feb., 2010 and Jan., 2013, and Michigan City Harbor, IN - Dec., 2010
Glaucous Gull (2nd cycle in flight) - Indiana Lake Michigan Lakefront
Glaucous Gull (1st cycle) - Three Rivers, St. Joe County, MI and Michigan City Harbor, La Porte County, IN
Glaucous Gull (1st cycle in flight) - Michigan City Harbor, LaPorte County, Indiana - December, 2010
"Nelson's Gull" (Glaucous X Herring Gull hybrid - adult) - Whiting Refinery Beach, Lake County, Indiana - March, 2013 and Calumet Park, IL - December, 2013
Great Black-backed Gull (adult) - Michigan City Harbor, LaPorte County, IN - December, 2018 and Jeorse Park, Lake County, IN - January, 2002
Great Black-backed Gull (adult in flight) - Port of Indiana, Porter County, IN - December, 2017 and January, 2018 and Whiting Refinery Beach, Lake County, IN - January, 2015 and February, 2018
Great Black-backed Gull (3rd cycle) - Lake County, Indiana
Great Black-backed Gull (3rd cycle in flight) - Miller Beach and Whiting Refinery Beach, Lake County, Indiana
Great Black-backed Gull (2nd cycle) - Waukegon, IL - February, 2020, Michigan City, IN - November, 2014 and Outer Banks, NC - May, 2017
Great Black-backed Gull (2nd cycle in flight) - Winthrop Harbor, Waukegon, Illinois - February, 2020
Great Black-backed Gull (1st cycle) - Hammond Marina, Lake County, Indiana - January, 2006 and January, 2004
Great Black-backed Gull (1st cycle in flight) - Indiana Lake Michigan Lakefront
Putative aberrant Great Black-backed Gull (adult) - Hammond Marina, Lake County, Indiana - January, 2014
Putative Great Black-backed Gull X Herring Gull hybrid (adult) - Whiting Refinery Beach, Lake County, Indiana - February, 2017
Putative Great Black-backed Gull X Herring Gull hybrid (adult) - Whiting Refinery Beach, Lake County, Indiana - January, 2015
Putative Great Black-backed Gull X Herring Gull hybrid (adult) - Whiting Refinery Beach, Lake County, Indiana - March, 2014
Putative Lesser Black-backed Gull X Herring Gull hybrid (adult) - Elkhart County Landfill, Indiana - January, 2023
Putative hybrid Glaucous X Great Black-backed Gull or aberrant Great Black-backed (adult) - Port of Indiana, Porter County, IN - January, 2011, and February, 2012, and Miller Beach - January, 2013
Putative hybrid Glaucous X Great Black-backed Gull (1st cycle) - Whiting Refinery Beach, Lake County, Indiana - February, 2016
Putative hybrid Gull (1st cycle) - Michigan City Harbor, LaPorte County, Indiana - November 13, 2014
Putative hybrid Gull (adult) - Michigan City Harbor, LaPorte County, Indiana - November 13, 2014
Putative hybrid Gull (adult) - Michigan City Harbor, LaPorte County, Indiana - December 8, 2012
Putative hybrid Gull (adult) - Michigan City Harbor, LaPorte County, Indiana - December 26, 2010
Putative hybrid Gull (adult) - Michigan City, LaPorte County, Indiana - January 3, 2004
Putative hybrid Gull (adult) - Indiana Dunes State Park, Porter County, Indiana - October, 2004
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