American Herring Gulls are winter birds in Tennessee: they arrive in mid October, peak in the second week of November (2.7% of checklists), and most are gone by late February.
When to look
First arrivalsOct 15-21mid October
Common byOct 15-21mid October
PeakNov 8-14the second week of November
Most gone byFeb 22-28late February
Best: the second week of November. First arrivals mid October; most are gone by late February. Peak: on about 2.7% of Tennessee checklists.
Janpeak season
Febcommon
Maruncommon
Aprrare
Mayrare
Junnot usually seen
Julnot usually seen
Augnot usually seen
Seprare
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 Tennessee 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.
Henry CountyBest the second week of November · 156 checklists that week, 5,668 in all38%
Hardin CountyBest early March · 68 checklists that week, 2,710 in all37%
Benton CountyBest early February · 28 checklists that week, 2,202 in all37%
Humphreys CountyBest late November · 100 checklists that week, 5,858 in all24%
Lake CountyBest early November · 126 checklists that week, 5,235 in all15%
Sumner CountyBest the second week of November · 132 checklists that week, 8,533 in all13%
Best spots
Share of checklists at the peak
Mathews LakeRutherford County, best the second week of January · 21 checklists that week, 347 in all64%
Old Lock Three Access AreaSumner County, best the second week of November · 25 checklists that week, 534 in all59%
Booker T WashingtonHamilton County, best the second week of November · 74 checklists that week, 1,440 in all51%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Tennessee, the American Herring Gull is most often listed on checklists started between 2 and 4 pm (1.3% 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
2.0%
2.2%
2.5%
2.4%
February
2.0%
1.3%
1.4%
1.3%
March
0.9%
0.7%
0.7%
0.5%
April
0.2%
0.2%
0.2%
0.2%
May
0.1%
0.2%
0.1%
0.1%
June
0.1%
0.1%
0.1%
0%
July
0%
0%
0.1%
0.1%
August
0.1%
0.1%
0.1%
0.1%
September
0.1%
0.3%
0.3%
0.6%
October
0.3%
0.8%
1.0%
1.9%
November
2.2%
3.3%
2.8%
2.2%
December
2.0%
2.5%
2.5%
1.8%
Neighboring states
Kentucky: arrives mid October, in the same week than Tennessee
Georgia: arrives mid July, 12 weeks earlier than Tennessee
Alabama: arrives mid September, 4 weeks earlier than Tennessee
Indiana: arrives early July, 14 weeks earlier than Tennessee
Common questions
When do American Herring Gulls arrive in Tennessee?
American Herring Gulls are winter birds in Tennessee: they arrive in mid October, peak in the second week of November (2.7% of checklists), and most are gone by late February.
When do American Herring Gulls leave Tennessee?
Most American Herring Gulls have left Tennessee by late February, when reports fall below half their usual rate.
When is the best time to see a American Herring Gull in Tennessee?
The American Herring Gull is reported most often in the second week of November, on about 2.7% of Tennessee checklists.
Where in Tennessee are American Herring Gulls seen most often?
By county, Henry County, Hardin County, and Benton County have the highest peak reporting rates for the American Herring Gull (counties with at least 200 checklists).