American Herring Gulls are in Virginia all year, but most are here in winter: numbers build from mid September, peak in late January (9.0% of checklists), and fall back by the second week of March. In the quietest week (the second week of June) they are still on about 2.4% of checklists.
When to look
Numbers buildSep 15-21mid September
PeakJan 22-31late January
Fall back byMar 8-14the second week of March
FewestJun 8-14the second week of June
Best: late January. Here all year; numbers build from mid September and fall back by the second week of March. Peak: on about 9.0% of Virginia checklists.
Janpeak season
Febpeak season
Marcommon
Aprcommon
Mayuncommon
Jununcommon
Julcommon
Augcommon
Sepcommon
Octcommon
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 Virginia 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.
Horse MarshAccomack County, best late March · 29 checklists that week, 556 in all90%
Little Toms Cove (south)Accomack County, best late December · 32 checklists that week, 1,099 in all89%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Virginia, the American Herring Gull is most often listed on checklists started between 6 and 8 am (6.6% 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
Maryland: arrives mid October, 4 weeks later than Virginia
West Virginia: arrives early November, 6 weeks later than Virginia
Delaware: arrives early October, 2 weeks later than Virginia
Common questions
When do American Herring Gulls arrive in Virginia?
American Herring Gulls are in Virginia all year, but most are here in winter: numbers build from mid September, peak in late January (9.0% of checklists), and fall back by the second week of March. In the quietest week (the second week of June) they are still on about 2.4% of checklists.
When do American Herring Gulls leave Virginia?
American Herring Gulls never fully leave Virginia: numbers fall back below half their usual rate by the second week of March, but some are still reported in every week, about 2.4% of checklists at the low.
When is the best time to see a American Herring Gull in Virginia?
The American Herring Gull is reported most often in late January, on about 9.0% of Virginia checklists.
Where in Virginia are American Herring Gulls seen most often?
By county, Poquoson County, Hampton County, and Accomack County have the highest peak reporting rates for the American Herring Gull (counties with at least 200 checklists).