Eastern Whip-poor-wills arrive in Missouri in the second week of April, peak in the second week of June (1.4% of checklists), and most are gone by mid September.
When to look
First arrivalsApr 8-14the second week of April
Common byApr 8-14the second week of April
PeakJun 8-14the second week of June
Most gone bySep 15-21mid September
Best: the second week of June. First arrivals the second week of April; most are gone by mid September. Peak: on about 1.4% of Missouri checklists.
Jannot usually seen
Febnot usually seen
Marrare
Aprpeak season
Maypeak season
Junpeak season
Julcommon
Auguncommon
Sepcommon
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 Missouri 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.
McCormack LakeOregon County, best early May · 30 checklists that week, 126 in all11%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Missouri, the Eastern Whip-poor-will is most often listed on checklists started between 5 and 7 pm (0.5% 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%
0.1%
April
0.5%
0.7%
1.2%
1.3%
May
1.1%
1.2%
1.0%
1.2%
June
1.4%
1.4%
1.5%
1.1%
July
0.9%
0.8%
0.6%
0.5%
August
0.5%
0.5%
0.5%
0.6%
September
0.6%
0.7%
0.6%
0.1%
October
0.1%
0%
0%
0%
November
0%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Arkansas: arrives early April, 1 week earlier than Missouri
West Virginia: arrives the second week of April, in the same week than Missouri
Rhode Island: arrives mid April, 1 week later than Missouri
Common questions
When do Eastern Whip-poor-wills arrive in Missouri?
Eastern Whip-poor-wills arrive in Missouri in the second week of April, peak in the second week of June (1.4% of checklists), and most are gone by mid September.
When do Eastern Whip-poor-wills leave Missouri?
Most Eastern Whip-poor-wills have left Missouri by mid September, when reports fall below half their usual rate.
When is the best time to see a Eastern Whip-poor-will in Missouri?
The Eastern Whip-poor-will is reported most often in the second week of June, on about 1.4% of Missouri checklists.
Where in Missouri are Eastern Whip-poor-wills seen most often?
By county, Bollinger County, Iron County, and Ralls County have the highest peak reporting rates for the Eastern Whip-poor-will (counties with at least 200 checklists).