Sightings:
- Heermann's Gull (5th cycle). Carteret County, North Carolina. 01 July 2023.
- Atlantic Coast Bird
- Black-legged Kittiwake (13 - mostly 2nd cycles). Grays Harbor County, Washington. 01 July 2023.
- Franklin's Gull (adult). Avalon Peninsula - St John's County, NL. 03 July 2023.
- Great Black-backed Gull (2nd cycle). Mobile County, Alabama. 03 July 2023.
- Lesser Black-backed Gull (3rd cycle). Brown County, South Dakota. 05 July 2023.
- Franklin's Gull (adult type). San Mateo County, California. 07 July 2023.
- Lesser Black-backed Gull (adult type). Canyon County, Idaho. 07 July 2023.
- Iceland Gull (2nd cycle kumlieni type). Barnstable County, Massachusetts. 13 July 2023.
- Western Gull (adult). Park County, Colorado. 14 July 2023.
- Heermann's Gull (3rd cycle). Cuyahoga County, Ohio. 15 July 2023.
- Continuing 1st County Record.
- Little Gull (21; ~ 75% adult). Norfolk County, Ontario. 17 July 2023.
- Glaucous Gull (2nd cycle). Kent County, Delaware. 19 July 2023.
- Swallow-tailed Gull (adult). Santa Barbara County, California. 19 July 2023.
- 5th State Record.
- Yellow-footed Gull (3rd cycle). Clark County, Nevada. 22 July 2023.
- Presumably returning/continuing individual found here in March 2022 as a 1st cycle.
- Lesser Black-backed Gull (2nd cycle). Ward County, North Dakota. 22 July 2023.
- Slaty-backed Gull (adult). North Slope Borough, Alaska. 23 July 2023.
- Possibly a second bird present in this general vicinity (Prudhoe Bay).
- Red-legged Kittiwake (adult). North Slope Borough, Alaska. 24 July 2023.
- Black-headed Gull (adult). Barnstable County, Massachusetts. 25 July 2023.
- Slaty-backed Gull (adult). Juneau City & Borough, Alaska. 27 July 2023.
- Laughing Gull (adult). Pacific County, Washington. 28 July 2023.
- Continuing.
- Laughing Gull (adult). Simcoe County, Ontario. 29 July 2023.
- Slaty-backed Gull (adult). Anchorage Municipality, Alaska. 29 July 2023.
- Heermann's Gull (5th cycle). Duval County, Florida. 31 July 2023.
- Atlantic Coast Bird.