Ring-billed Gulls are winter birds in Kansas: the first arrive in the second week of July, they are common by mid September, peak in the second week of November (26% of checklists), and most are gone by the second week of April.
When to look
First arrivalsJul 8-14the second week of July
Common bySep 15-21mid September
PeakNov 8-14the second week of November
Most gone byApr 8-14the second week of April
Best: the second week of November. First arrivals the second week of July; most are gone by the second week of April. Peak: on about 26% of Kansas checklists.
Janpeak season
Febpeak season
Marpeak season
Aprcommon
Mayuncommon
Junrare
Juluncommon
Auguncommon
Sepuncommon
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 Kansas 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.
Perry LakeJefferson County, best the second week of November · 21 checklists that week, 560 in all96%
Perry Recreation AreaJefferson County, best late October · 21 checklists that week, 830 in all96%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Kansas, the Ring-billed Gull is most often listed on checklists started between 9 and 11 am (14% 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
20%
20%
19%
20%
February
23%
18%
15%
22%
March
21%
21%
20%
15%
April
10%
8.9%
9.0%
5.9%
May
3.9%
2.7%
2.2%
1.3%
June
1.0%
0.8%
0.9%
1.0%
July
1.1%
2.7%
3.9%
5.4%
August
7.3%
8.0%
7.8%
8.4%
September
9.0%
8.6%
8.9%
10%
October
10%
13%
15%
19%
November
24%
27%
26%
24%
December
23%
21%
19%
18%
Neighboring states
Nebraska: arrives early July, 1 week earlier than Kansas
Oklahoma: arrives late July, 2 weeks later than Kansas
Missouri: arrives the second week of July, in the same week than Kansas
Arkansas: arrives the second week of October, 12 weeks later than Kansas
Common questions
When do Ring-billed Gulls arrive in Kansas?
Ring-billed Gulls are winter birds in Kansas: the first arrive in the second week of July, they are common by mid September, peak in the second week of November (26% of checklists), and most are gone by the second week of April.
When do Ring-billed Gulls leave Kansas?
Most Ring-billed Gulls have left Kansas by the second week of April, when reports fall below half their usual rate. Stragglers are still reported until mid May.
When is the best time to see a Ring-billed Gull in Kansas?
The Ring-billed Gull is reported most often in the second week of November, on about 26% of Kansas checklists.
Where in Kansas are Ring-billed Gulls seen most often?
By county, Coffey County, Jefferson County, and Kingman County have the highest peak reporting rates for the Ring-billed Gull (counties with at least 200 checklists).