Greater Yellowlegses reach New York in early July, are common by the second week of July, peak in late August (6.4% of checklists), and most are gone by the second week of November.
When to look
First arrivalsJul 1-7early July
Common byJul 8-14the second week of July
PeakAug 22-31late August
Most gone byNov 8-14the second week of November
Best: late August. First arrivals early July; most are gone by the second week of November. Peak: on about 6.4% of New York checklists.
Janrare
Febrare
Maruncommon
Aprcommon
Maycommon
Junrare
Julcommon
Augpeak season
Seppeak season
Octcommon
Novcommon
Decrare
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 New York 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 New York, the Greater Yellowlegs is most often listed on checklists started between 4 and 6 pm (2.7% 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
0.3%
0.3%
0.3%
0.4%
February
0.3%
0.2%
0.2%
0.2%
March
0.2%
0.3%
0.4%
1.0%
April
1.9%
3.0%
4.3%
4.7%
May
4.1%
3.1%
1.9%
1.1%
June
0.6%
0.4%
0.2%
0.4%
July
1.1%
2.4%
3.5%
4.3%
August
5.0%
6.1%
6.7%
6.3%
September
6.4%
4.8%
4.3%
4.3%
October
4.2%
4.0%
3.9%
4.2%
November
3.4%
2.4%
1.7%
0.7%
December
0.5%
0.4%
0.5%
0.4%
Neighboring states
Connecticut: arrives late June, 1 week earlier than New York
New Jersey: arrives late June, 1 week earlier than New York
Pennsylvania: arrives early April, 12 weeks earlier than New York
Vermont: arrives late July, 3 weeks later than New York
Common questions
When do Greater Yellowlegses arrive in New York?
Greater Yellowlegses reach New York in early July, are common by the second week of July, peak in late August (6.4% of checklists), and most are gone by the second week of November.
When do Greater Yellowlegses leave New York?
Most Greater Yellowlegses have left New York by the second week of November, when reports fall below half their usual rate. Stragglers are still reported until mid November.
When is the best time to see a Greater Yellowlegs in New York?
The Greater Yellowlegs is reported most often in late August, on about 6.4% of New York checklists.
Where in New York are Greater Yellowlegses seen most often?
By county, Seneca County, Queens County, and Genesee County have the highest peak reporting rates for the Greater Yellowlegs (counties with at least 200 checklists).