Barn Swallows reach Mississippi in early March, are common by late March, peak in early May (25% of checklists), and most are gone by mid August.
When to look
First arrivalsMar 1-7early March
Common byMar 22-31late March
PeakMay 1-7early May
Most gone byAug 15-21mid August
Best: early May. First arrivals early March; most are gone by mid August. Peak: on about 25% of Mississippi checklists.
Jannot usually seen
Febnot usually seen
Marcommon
Aprpeak season
Maypeak season
Junpeak season
Julpeak season
Augcommon
Sepcommon
Octuncommon
Novrare
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 Mississippi 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.
Yazoo CountyBest mid July · 12 checklists that week, 440 in all81%
Tunica CountyBest early May · 27 checklists that week, 887 in all60%
Chickasaw CountyBest early July · 17 checklists that week, 335 in all56%
Lee CountyBest the second week of July · 31 checklists that week, 2,179 in all55%
Quitman CountyBest late July · 30 checklists that week, 395 in all49%
Jefferson Davis CountyBest the second week of April · 11 checklists that week, 370 in all48%
Best spots
Share of checklists at the peak
West HeadHarrison County, best late April · 20 checklists that week, 112 in all88%
Bouie RiverForrest County, best late March · 45 checklists that week, 746 in all87%
Irvin LakeJackson County, best mid April · 20 checklists that week, 407 in all84%
Dickerson ArmNoxubee County, best early June · 23 checklists that week, 776 in all82%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Mississippi, the Barn Swallow is most often listed on checklists started between 6 and 8 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
0%
0.1%
0%
0%
February
0%
0.1%
0.1%
0.2%
March
1.8%
5.1%
8.8%
15%
April
19%
21%
25%
25%
May
25%
26%
24%
23%
June
22%
23%
21%
22%
July
22%
23%
25%
22%
August
19%
14%
9.6%
11%
September
12%
8.2%
8.3%
5.4%
October
4.5%
4.8%
5.2%
4.8%
November
1.4%
0.3%
0.2%
0%
December
0.1%
0%
0.1%
0.1%
Neighboring states
Alabama: arrives the second week of March, 1 week later than Mississippi
Louisiana: arrives early March, in the same week than Mississippi
Arkansas: arrives the second week of March, 1 week later than Mississippi
Georgia: arrives the second week of March, 1 week later than Mississippi
Common questions
When do Barn Swallows arrive in Mississippi?
Barn Swallows reach Mississippi in early March, are common by late March, peak in early May (25% of checklists), and most are gone by mid August.
When do Barn Swallows leave Mississippi?
Most Barn Swallows have left Mississippi by mid August, when reports fall below half their usual rate. Stragglers are still reported until early November.
When is the best time to see a Barn Swallow in Mississippi?
The Barn Swallow is reported most often in early May, on about 25% of Mississippi checklists.
Where in Mississippi are Barn Swallows seen most often?
By county, Yazoo County, Tunica County, and Chickasaw County have the highest peak reporting rates for the Barn Swallow (counties with at least 200 checklists).