Greater Yellowlegses arrive in Vermont in late July, peak in early September (5.8% of checklists), and most are gone by the second week of November.
When to look
First arrivalsJul 22-31late July
Common byJul 22-31late July
PeakSep 1-7early September
Most gone byNov 8-14the second week of November
Best: early September. First arrivals late July; most are gone by the second week of November. Peak: on about 5.8% of Vermont checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Apruncommon
Mayuncommon
Junnot usually seen
Juluncommon
Augpeak season
Seppeak season
Octcommon
Novcommon
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.
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Vermont, the Greater Yellowlegs is most often listed on checklists started between 4 and 6 pm (2.0% 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%
0.1%
0.1%
April
0.1%
0.5%
1.0%
1.6%
May
2.2%
1.5%
0.7%
0.3%
June
0.2%
0.1%
0%
0.1%
July
0.1%
0.2%
0.5%
1.1%
August
1.9%
3.1%
4.7%
5.6%
September
6.3%
5.5%
3.4%
3.3%
October
3.8%
3.4%
3.3%
3.6%
November
3.5%
1.2%
0.3%
0.1%
December
0%
0%
0%
0%
Neighboring states
New Hampshire: arrives the second week of July, 2 weeks earlier than Vermont
Massachusetts: arrives late June, 4 weeks earlier than Vermont
Connecticut: arrives late June, 4 weeks earlier than Vermont
Rhode Island: arrives mid March, 17 weeks earlier than Vermont
Common questions
When do Greater Yellowlegses arrive in Vermont?
Greater Yellowlegses arrive in Vermont in late July, peak in early September (5.8% of checklists), and most are gone by the second week of November.
When do Greater Yellowlegses leave Vermont?
Most Greater Yellowlegses have left Vermont by the second week of November, when reports fall below half their usual rate.
When is the best time to see a Greater Yellowlegs in Vermont?
The Greater Yellowlegs is reported most often in early September, on about 5.8% of Vermont checklists.
Where in Vermont are Greater Yellowlegses seen most often?
By county, Franklin County, Chittenden County, and Addison County have the highest peak reporting rates for the Greater Yellowlegs (counties with at least 200 checklists).