Lark Sparrows arrive in Missouri in the second week of April, peak in late April (2.0% of checklists), and most are gone by the second week of August.
When to look
First arrivalsApr 8-14the second week of April
Common byApr 8-14the second week of April
PeakApr 22-30late April
Most gone byAug 8-14the second week of August
Best: late April. First arrivals the second week of April; most are gone by the second week of August. Peak: on about 2.0% of Missouri checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprpeak season
Maypeak season
Juncommon
Julcommon
Augcommon
Sepuncommon
Octnot usually seen
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.
Jerry Smith ParkJackson County, best late April · 23 checklists that week, 1,156 in all25%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Missouri, the Lark Sparrow is most often listed on checklists started between 5 and 7 pm (0.9% 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
0.1%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0%
0%
0.1%
April
0.1%
0.5%
1.8%
2.3%
May
2.0%
1.4%
1.4%
1.5%
June
1.5%
1.3%
1.3%
1.7%
July
1.3%
1.5%
1.5%
1.5%
August
1.0%
0.7%
0.6%
0.4%
September
0.3%
0.1%
0.1%
0.1%
October
0.1%
0.1%
0%
0%
November
0%
0%
0%
0%
December
0%
0%
0%
0.1%
Neighboring states
Arkansas: arrives early April, 1 week earlier than Missouri
Iowa: arrives mid April, 1 week later than Missouri
Kansas: arrives early April, 1 week earlier than Missouri
Oklahoma: arrives late March, 2 weeks earlier than Missouri
Common questions
When do Lark Sparrows arrive in Missouri?
Lark Sparrows arrive in Missouri in the second week of April, peak in late April (2.0% of checklists), and most are gone by the second week of August.
When do Lark Sparrows leave Missouri?
Most Lark Sparrows have left Missouri by the second week of August, when reports fall below half their usual rate.
When is the best time to see a Lark Sparrow in Missouri?
The Lark Sparrow is reported most often in late April, on about 2.0% of Missouri checklists.
Where in Missouri are Lark Sparrows seen most often?
By county, Daviess County, Bates County, and Atchison County have the highest peak reporting rates for the Lark Sparrow (counties with at least 200 checklists).