Sightings:
- Glaucous-winged Gull (1st cycle). Calgary County, Alberta. 01 April 2023.
- Glaucous-winged Gull (3rd cycle). Bruce County, Ontario. 01 April 2023.
- Heermann's Gull (2nd cycle). Baltimore County, Maryland. 03 April 2023.
- California Gull (adult). Talbot County, Maryland. 05 April 2023.
- Western Gull (adult). Scotts Bluff County, Nebraska. 07 April 2023.
- Black-headed Gull (adult). King County, Washington. 07 April 2023.
- Black-headed Gull (adult). Norfolk County, Ontario. 07 April 2023.
- Franklin's Gull (adult). New Castle County, Delaware. 07 April 2023.
- Black-headed Gull (adult). Chautauqua County, New York. 08 April 2023.
- Sabine's Gull (adult). Graham County, Arizona. 08 April 2023.
- Glaucous Gull (adult type). Galveston County, Texas. 09 April 2023.
- Black-legged Kittiwake (1st cycle). Oklahoma County, Oklahoma. 09 April 2023.
- California Gull (2nd cycle). Calcasieu Parish, Louisiana. 18 April 2023.
- Glaucous-winged Gull (3rd cycle). Fort McMurray, Alberta. 20 April 2023.
- Franklin's Gull (adult). Bristol County, Massachusetts. 22 April 2023.
- California Gull (1st cycle). Lake County, Illinois. 22 April 2023.
- Franklin's Gull (adult). Worcester County, Massachusetts. 23 April 2023.
- Great Black-backed Gull (2nd cycle). Cameron Parish, Louisiana. 24 April 2023.
- Short-billed Gull (1st cycle). Tarrant County, Texas. 25 April 2023.
- California Gull (1st cycle). Cook County, Illinois. 26 April 2023.
- Slaty-backed Gull (adult). Prince Albert, Saskatchewan. 26 April 2023.
- Black-legged Kittiwake (1st cycle). Cook County, Illinois. 26 April 2023.
- Lesser Black-backed Gull (3rd cycle). Mendocino County, California. 27 April 2023.
- Heermann's Gull (2nd cycle). Lorain County, Ohio. 29 April 2023.
- 2nd State Record. Possibly the 2nd cycle individual from Baltimore County, Maryland.