American Wigeons mostly pass through Vermont: they arrive in early March, peak in mid March (3.5% of checklists), and most are gone by the second week of April.
When to look
First arrivalsMar 1-7early March
Common byMar 1-7early March
PeakMar 15-21mid March
Most gone byApr 8-14the second week of April
Best: mid March. First arrivals early March; most are gone by the second week of April. Peak: on about 3.5% of Vermont checklists.
Janrare
Febuncommon
Marpeak season
Aprpeak season
Mayrare
Junnot usually seen
Julnot usually seen
Augrare
Sepuncommon
Octuncommon
Novuncommon
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 Vermont 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.
Pine IslandChittenden County, best the second week of March · 49 checklists that week, 636 in all45%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Vermont, the American Wigeon is most often listed on checklists started between 3 and 5 pm (1.1% 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%
0.2%
0.4%
0.2%
February
0.2%
0.2%
0.1%
0.7%
March
1.0%
3.2%
3.7%
3.6%
April
2.7%
1.9%
1.5%
0.7%
May
0.3%
0.1%
0.1%
0.1%
June
0%
0%
0%
0%
July
0%
0.1%
0.1%
0.1%
August
0.1%
0.1%
0.1%
0.2%
September
0.2%
0.2%
0.2%
0.6%
October
1.0%
0.9%
0.6%
1.0%
November
0.8%
0.7%
0.5%
0.2%
December
0.1%
0.1%
0.1%
0.2%
Neighboring states
New Hampshire: arrives mid February, 2 weeks earlier than Vermont
Massachusetts: arrives early October, 20 weeks earlier than Vermont
Connecticut: arrives the second week of October, 19 weeks earlier than Vermont
Rhode Island: arrives mid September, 22 weeks earlier than Vermont
Common questions
When do American Wigeons arrive in Vermont?
American Wigeons mostly pass through Vermont: they arrive in early March, peak in mid March (3.5% of checklists), and most are gone by the second week of April.
When do American Wigeons leave Vermont?
Most American Wigeons have left Vermont by the second week of April, when reports fall below half their usual rate. Stragglers are still reported until mid April.
When is the best time to see a American Wigeon in Vermont?
The American Wigeon is reported most often in mid March, on about 3.5% of Vermont checklists.
Where in Vermont are American Wigeons seen most often?
By county, Addison County, Grand Isle County, and Franklin County have the highest peak reporting rates for the American Wigeon (counties with at least 200 checklists).