- Mew Gull (1st cycle). Franklin County, Ohio. 02 January 2018.
- Continued from previous month.
- Ivory Gull (adult). Lake County, Illinois. 03 January 2018.
- 4th State Record.
- Black-legged Kittiwake (1st cycle). Mohave County, Arizona. 03 January 2018.
- Slaty-backed Gull (adult). Cook County, Illinois. 04 January 2018.
- 3rd County Record.
- Slaty-backed Gull (2nd cycle). Los Angeles County, California. 06 January 2018.
- Ring-billed Gull (adult). Northern Peninsula - St. Anthony County, NL. 08 January 2018.
- Vega Gull (adult). Humboldt County, California. 12 January 2018.
- Laughing Gull (1st cycle). Mohave County, Arizona. 14 January 2018.
- Mew Gull (adult). Keith County, Nebraska.15 January 2018.
- Kamchatka Gull (adult). Nantucket, Massachusetts. 15 January 2018.
- Slaty-backed Gull (adult). Oswego County, New York. 16 January 2018.
- 2nd County Reocrd
- Mew Gull (adult). Kings County, New York. 16 January 2018.
- Likely a returning bird, first detected here as a 2nd cycle in 2015.
- Laughing Gull (adult). San Mateo County, California. 16 January 2018.
- Common Gull (adult). Oswego County, New York. 18 January 2018.
- Common Gull (adult). Essex County, Massachusetts. 20 January 2018.
- Returning adult from last winter. Silver leg band on right leg not matching last winter's banded adult.
- Vega Gull (adult). Cameron County, Texas. 20 January 2018.
- Returning for at least the last 4 consecutive winters.
- Kelp Gull (adult). Dartmouth, Nova Scotia. 21 January 2018.
- First for Nova Scotia. 3rd for all of Canada.
- Black-headed Gull (adult). Brevard County, Florida. 25 January 2018.
- Slaty-backed Gull (adult). Ozaukee County, Wisconsin. 29 January 2018.
Worthy of mention is an adult Western Gull found in Estero Las Aguas, Choluteca, Honduras on 04 January 2018. Not only is this a 1st for Honduras, it's also an overdue first record for all of Central America.