White-rumped Sandpipers arrive in New York in late July, peak in late August (1.5% of checklists), and most are gone by late October.
When to look
First arrivalsJul 22-31late July
Common byJul 22-31late July
PeakAug 22-31late August
Most gone byOct 22-31late October
Best: late August. First arrivals late July; most are gone by late October. Peak: on about 1.5% of New York checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprnot usually seen
Mayuncommon
Juncommon
Juluncommon
Augpeak season
Seppeak season
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 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 White-rumped Sandpiper is most often listed on checklists started between 6 and 8 am (0.3% 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%
0.1%
0.1%
May
0.1%
0.1%
0.3%
0.7%
June
0.6%
0.5%
0.2%
0.1%
July
0.1%
0.1%
0.1%
0.3%
August
0.8%
1.3%
1.4%
1.5%
September
1.5%
0.9%
0.7%
0.6%
October
0.5%
0.4%
0.4%
0.3%
November
0.2%
0.2%
0.1%
0.1%
December
0%
0%
0%
0%
Neighboring states
Connecticut: arrives the second week of May, 10 weeks earlier than New York
New Jersey: arrives early August, 1 week later than New York
Vermont: arrives late July, in the same week than New York
Delaware: arrives mid July, 1 week earlier than New York
Common questions
When do White-rumped Sandpipers arrive in New York?
White-rumped Sandpipers arrive in New York in late July, peak in late August (1.5% of checklists), and most are gone by late October.
When do White-rumped Sandpipers leave New York?
Most White-rumped Sandpipers have left New York by late October, when reports fall below half their usual rate.
When is the best time to see a White-rumped Sandpiper in New York?
The White-rumped Sandpiper is reported most often in late August, on about 1.5% of New York checklists.
Where in New York are White-rumped Sandpipers seen most often?
By county, Queens County, Seneca County, and Monroe County have the highest peak reporting rates for the White-rumped Sandpiper (counties with at least 200 checklists).