American Herring Gulls are winter birds in North Carolina: the first arrive in mid May, they are common by late July, peak in early January (7.0% of checklists), and most are gone by early April.
When to look
First arrivalsMay 15-21mid May
Common byJul 22-31late July
PeakJan 1-7early January
Most gone byApr 1-7early April
Best: early January. First arrivals mid May; most are gone by early April. Peak: on about 7.0% of North Carolina checklists.
Janpeak season
Febpeak season
Marcommon
Aprcommon
Mayuncommon
Juncommon
Julcommon
Augcommon
Sepcommon
Octpeak season
Novpeak season
Decpeak season
Darker months: more checklists report it. Outlined: peak month.
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists in North Carolina that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.
JanFebMarAprMayJunJulAugSepOctNovDec
today
0%few checklistsno data
Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In North Carolina, the American Herring Gull is most often listed on checklists started between 6 and 8 am (5.5% of those checklists).
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.Week-by-week table
Month
Days 1-7
8-14
15-21
22-end
January
6.7%
6.1%
6.7%
5.8%
February
6.1%
4.9%
3.9%
5.4%
March
4.9%
4.8%
3.7%
3.7%
April
3.2%
2.6%
2.3%
1.8%
May
1.5%
1.7%
2.2%
3.1%
June
2.9%
2.4%
2.5%
2.9%
July
3.0%
2.7%
2.6%
3.4%
August
4.2%
4.8%
5.2%
4.4%
September
3.6%
3.4%
3.3%
3.6%
October
3.9%
4.0%
6.6%
6.0%
November
5.1%
5.9%
6.7%
7.2%
December
5.9%
6.4%
5.0%
7.8%
Neighboring states
South Carolina: arrives early August, 10 weeks later than North Carolina
Virginia: arrives mid September, 16 weeks later than North Carolina
West Virginia: arrives early November, 22 weeks later than North Carolina
When do American Herring Gulls arrive in North Carolina?
American Herring Gulls are winter birds in North Carolina: the first arrive in mid May, they are common by late July, peak in early January (7.0% of checklists), and most are gone by early April.
When do American Herring Gulls leave North Carolina?
Most American Herring Gulls have left North Carolina by early April, when reports fall below half their usual rate. Stragglers are still reported until mid April.
When is the best time to see a American Herring Gull in North Carolina?
The American Herring Gull is reported most often in early January, on about 7.0% of North Carolina checklists.
Where in North Carolina are American Herring Gulls seen most often?
By county, Dare County, Carteret County, and New Hanover County have the highest peak reporting rates for the American Herring Gull (counties with at least 200 checklists).