Tennessee Warblers mostly pass through Kansas: the first show up in mid April, they are common by late April, peak in the second week of May (12% of checklists), and most are gone by mid May.
When to look
First arrivalsApr 15-21mid April
Common byApr 22-30late April
PeakMay 8-14the second week of May
Most gone byMay 15-21mid May
Best: the second week of May. First arrivals mid April; most are gone by mid May. Peak: on about 12% of Kansas checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprcommon
Maypeak season
Junrare
Julnot usually seen
Augnot usually seen
Seprare
Octrare
Novnot usually seen
Decnot usually seen
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.
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Kansas, the Tennessee Warbler is most often listed on checklists started between 6 and 8 am (4.9% 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
0%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0%
0%
0%
April
0%
0%
0.1%
3.4%
May
10%
15%
9.6%
1.3%
June
0.1%
0.1%
0%
0%
July
0%
0%
0%
0%
August
0%
0%
0%
0.1%
September
0.4%
0.9%
0.7%
0.7%
October
0.8%
0.4%
0.1%
0.1%
November
0%
0.1%
0.1%
0%
December
0%
0%
0%
0%
Neighboring states
Nebraska: arrives late April, 1 week later than Kansas
Oklahoma: arrives late April, 1 week later than Kansas
Missouri: arrives mid April, in the same week than Kansas
Arkansas: arrives the second week of April, 1 week earlier than Kansas
Common questions
When do Tennessee Warblers arrive in Kansas?
Tennessee Warblers mostly pass through Kansas: the first show up in mid April, they are common by late April, peak in the second week of May (12% of checklists), and most are gone by mid May.
When do Tennessee Warblers leave Kansas?
Most Tennessee Warblers have left Kansas by mid May, when reports fall below half their usual rate. Stragglers are still reported until late May.
When is the best time to see a Tennessee Warbler in Kansas?
The Tennessee Warbler is reported most often in the second week of May, on about 12% of Kansas checklists.
Where in Kansas are Tennessee Warblers seen most often?
By county, Shawnee County, Franklin County, and Johnson County have the highest peak reporting rates for the Tennessee Warbler (counties with at least 200 checklists).