Bank Swallows reach Nebraska in mid April, are common by late April, peak in the second week of August (5.2% of checklists), and most are gone by early September.
When to look
First arrivalsApr 15-21mid April
Common byApr 22-30late April
PeakAug 8-14the second week of August
Most gone bySep 1-7early September
Best: the second week of August. First arrivals mid April; most are gone by early September. Peak: on about 5.2% of Nebraska checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Apruncommon
Maypeak season
Juncommon
Julpeak season
Augpeak season
Sepcommon
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 Nebraska 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.
Marsh WrenLancaster County, best late May · 85 checklists that week, 1,817 in all26%
Lake NorthPlatte County, best mid August · 21 checklists that week, 597 in all24%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Nebraska, the Bank Swallow is most often listed on checklists started between 6 and 8 am (2.3% 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%
0.2%
0.5%
1.9%
May
3.0%
3.0%
4.6%
4.5%
June
3.0%
2.7%
3.0%
2.8%
July
3.8%
3.9%
3.7%
4.1%
August
5.3%
5.4%
4.9%
3.2%
September
2.6%
1.6%
0.8%
0.4%
October
0.1%
0%
0%
0%
November
0%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Kansas: arrives mid July, 12 weeks later than Nebraska
South Dakota: arrives late April, 1 week later than Nebraska
Iowa: arrives late April, 1 week later than Nebraska
Missouri: arrives mid April, in the same week than Nebraska
Common questions
When do Bank Swallows arrive in Nebraska?
Bank Swallows reach Nebraska in mid April, are common by late April, peak in the second week of August (5.2% of checklists), and most are gone by early September.
When do Bank Swallows leave Nebraska?
Most Bank Swallows have left Nebraska by early September, when reports fall below half their usual rate. Stragglers are still reported until the second week of September.
When is the best time to see a Bank Swallow in Nebraska?
The Bank Swallow is reported most often in the second week of August, on about 5.2% of Nebraska checklists.
Where in Nebraska are Bank Swallows seen most often?
By county, Sherman County, Cedar County, and Garden County have the highest peak reporting rates for the Bank Swallow (counties with at least 200 checklists).