American Herring Gulls are winter birds in Texas: the first arrive in mid October, they are common by late October, peak in the second week of January (3.3% of checklists), and most are gone by late April.
When to look
First arrivalsOct 15-21mid October
Common byOct 22-31late October
PeakJan 8-14the second week of January
Most gone byApr 22-30late April
Best: the second week of January. First arrivals mid October; most are gone by late April. Peak: on about 3.3% of Texas checklists.
Janpeak season
Febpeak season
Marpeak season
Aprcommon
Mayuncommon
Junrare
Julrare
Augrare
Sepuncommon
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 Texas 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.
Marion CountyBest the second week of January · 26 checklists that week, 1,688 in all25%
Hutchinson CountyBest late January · 45 checklists that week, 1,115 in all23%
Nueces CountyBest early March · 1809 checklists that week, 86,594 in all20%
San Augustine CountyBest the second week of December · 10 checklists that week, 745 in all20%
Galveston CountyBest early March · 2207 checklists that week, 129,637 in all17%
Moore CountyBest late January · 23 checklists that week, 410 in all17%
Best spots
Share of checklists at the peak
Ash LakeHarris County, best the second week of January · 24 checklists that week, 205 in all89%
Big Reef Nature ParkGalveston County, best the second week of December · 37 checklists that week, 1,664 in all86%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Texas, the American Herring Gull is most often listed on checklists started between 1 and 3 pm (2.6% 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
Month
Days 1-7
8-14
15-21
22-end
January
3.4%
3.2%
3.2%
3.0%
February
2.7%
2.7%
2.5%
3.4%
March
3.3%
2.8%
2.7%
2.4%
April
2.0%
1.9%
2.1%
1.7%
May
0.7%
0.4%
0.3%
0.2%
June
0.2%
0.2%
0.1%
0.2%
July
0.2%
0.2%
0.2%
0.2%
August
0.3%
0.2%
0.2%
0.2%
September
0.2%
0.3%
0.4%
0.5%
October
0.7%
0.9%
1.2%
1.8%
November
1.9%
2.6%
2.7%
2.7%
December
3.0%
3.0%
3.3%
3.1%
Neighboring states
Louisiana: arrives early October, 2 weeks earlier than Texas
Oklahoma: arrives early October, 2 weeks earlier than Texas
Arkansas: arrives the second week of November, 3 weeks later than Texas
Mississippi: arrives early October, 2 weeks earlier than Texas
Common questions
When do American Herring Gulls arrive in Texas?
American Herring Gulls are winter birds in Texas: the first arrive in mid October, they are common by late October, peak in the second week of January (3.3% of checklists), and most are gone by late April.
When do American Herring Gulls leave Texas?
Most American Herring Gulls have left Texas by late April, when reports fall below half their usual rate. Stragglers are still reported until early May.
When is the best time to see a American Herring Gull in Texas?
The American Herring Gull is reported most often in the second week of January, on about 3.3% of Texas checklists.
Where in Texas are American Herring Gulls seen most often?
By county, Marion County, Hutchinson County, and Nueces County have the highest peak reporting rates for the American Herring Gull (counties with at least 200 checklists).