WhenToBird

Parkesia motacilla · Parulidae

When Do Louisiana Waterthrushes Arrive in New York?

Adult Louisiana Waterthrush
Photo: Brian White, CC BY 4.0 via iNaturalist

Louisiana Waterthrushes arrive in New York in early April, peak in mid April (3.5% of checklists), and most are gone by late June.

When to look

First arrivalsApr 1-7early April
Common byApr 1-7early April
PeakApr 15-21mid April
Most gone byJun 22-30late June

Best: mid April. First arrivals early April; most are gone by late June. Peak: on about 3.5% of New York checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marrare
  4. Aprpeak season
  5. Maypeak season
  6. Juncommon
  7. Juluncommon
  8. Auguncommon
  9. Sepnot usually seen
  10. Octnot usually seen
  11. Novnot usually seen
  12. Decnot usually seen

Darker months: more checklists report it. Outlined: peak month.

0%1%2%3%4%Jan 1-7: 0% of 66410 checklistsJan 8-14: 0% of 49310 checklistsJan 15-21: 0% of 49919 checklistsJan 22-31: 0% of 62513 checklistsFeb 1-7: 0% of 43526 checklistsFeb 8-14: 0% of 49753 checklistsFeb 15-21: 0% of 65147 checklistsFeb 22-28: 0% of 50173 checklistsMar 1-7: 0% of 50325 checklistsMar 8-14: 0% of 55371 checklistsMar 15-21: 0% of 56293 checklistsMar 22-31: 0.1% of 82677 checklistsApr 1-7: 1.4% of 65295 checklistsApr 8-14: 3.3% of 73080 checklistsApr 15-21: 3.5% of 73857 checklistsApr 22-30: 3.8% of 106093 checklistsMay 1-7: 2.7% of 102772 checklistsMay 8-14: 2.2% of 110051 checklistsMay 15-21: 2.0% of 94797 checklistsMay 22-31: 1.6% of 101272 checklistsJun 1-7: 1.6% of 59471 checklistsJun 8-14: 1.5% of 55497 checklistsJun 15-21: 1.4% of 51761 checklistsJun 22-30: 0.9% of 59219 checklistsJul 1-7: 0.7% of 48226 checklistsJul 8-14: 0.6% of 42315 checklistsJul 15-21: 0.7% of 40637 checklistsJul 22-31: 0.7% of 57183 checklistsAug 1-7: 0.7% of 40461 checklistsAug 8-14: 0.5% of 39880 checklistsAug 15-21: 0.3% of 41146 checklistsAug 22-31: 0.1% of 63381 checklistsSep 1-7: 0.1% of 48640 checklistsSep 8-14: 0.1% of 47882 checklistsSep 15-21: 0.1% of 49063 checklistsSep 22-30: 0.1% of 57906 checklistsOct 1-7: 0% of 48447 checklistsOct 8-14: 0% of 51901 checklistsOct 15-21: 0% of 46717 checklistsOct 22-31: 0% of 61992 checklistsNov 1-7: 0% of 44593 checklistsNov 8-14: 0% of 42566 checklistsNov 15-21: 0% of 39675 checklistsNov 22-30: 0% of 51197 checklistsDec 1-7: 0% of 36567 checklistsDec 8-14: 0% of 37254 checklistsDec 15-21: 0% of 43754 checklistsDec 22-31: 0% of 62470 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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
Second week of November

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.

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Where in New York

Best counties

Share of checklists at the peak
  1. Putnam CountyBest the second week of June · 319 checklists that week, 13,177 in all16%
  2. Sullivan CountyBest late April · 931 checklists that week, 28,620 in all13%
  3. Kings CountyBest the second week of April · 3835 checklists that week, 134,897 in all12%
  4. New York CountyBest mid April · 5878 checklists that week, 187,471 in all12%
  5. Ulster CountyBest early May · 2670 checklists that week, 71,816 in all11%
  6. Rockland CountyBest early May · 1079 checklists that week, 35,579 in all10%

Best spots

Share of checklists at the peak
  1. Taconic Hereford Multiple Use AreaDutchess County, best late April · 25 checklists that week, 204 in all72%
  2. Six Mile Creek Natural Area (East Ithaca)Tompkins County, best late April · 56 checklists that week, 474 in all64%
  3. Silver Lake (Greenport Homes)Suffolk County, best mid June · 20 checklists that week, 107 in all64%
  4. Riverhead Town LandsSuffolk County, best early April · 37 checklists that week, 173 in all64%
  5. Nuclear LakeDutchess County, best the second week of May · 20 checklists that week, 248 in all58%

Busy spots report more of everything; compare the checklist counts before you drive anywhere.

Best time of day

In New York, the Louisiana Waterthrush is most often listed on checklists started between 6 and 8 am (1.4% of those checklists).

0%0.5%1%1.5%2%12 am: too few checklists (1146) to judge1 am: too few checklists (1055) to judge2 am: too few checklists (1121) to judge3 am: too few checklists (1353) to judge4 am: too few checklists (4785) to judge5 am: too few checklists (32052) to judge6 am: 1.9% of 124869 checklists7 am: 1.2% of 298506 checklists8 am: 1.0% of 337334 checklists9 am: 0.9% of 307787 checklists10 am: 0.8% of 270801 checklists11 am: 0.7% of 233238 checklists12 pm: 0.6% of 213830 checklists1 pm: 0.5% of 193321 checklists2 pm: 0.5% of 180741 checklists3 pm: 0.5% of 170348 checklists4 pm: 0.6% of 147224 checklists5 pm: 0.7% of 111962 checklists6 pm: 0.6% of 78261 checklists7 pm: too few checklists (44425) to judge8 pm: too few checklists (15648) to judge9 pm: too few checklists (4795) to judge10 pm: too few checklists (2454) to judge11 pm: too few checklists (1378) to judge12a3a6a9a12p3p6p9p
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
MonthDays 1-78-1415-2122-end
January0%0%0%0%
February0%0%0%0%
March0%0%0%0.1%
April1.4%3.3%3.5%3.8%
May2.7%2.2%2.0%1.6%
June1.6%1.5%1.4%0.9%
July0.7%0.6%0.7%0.7%
August0.7%0.5%0.3%0.1%
September0.1%0.1%0.1%0.1%
October0%0%0%0%
November0%0%0%0%
December0%0%0%0%

Neighboring states

  • Connecticut: arrives early April, in the same week than New York
  • New Jersey: arrives early April, in the same week than New York
  • Pennsylvania: arrives early April, in the same week than New York
  • Vermont: arrives the second week of April, 1 week later than New York

Common questions

When do Louisiana Waterthrushes arrive in New York?
Louisiana Waterthrushes arrive in New York in early April, peak in mid April (3.5% of checklists), and most are gone by late June.
When do Louisiana Waterthrushes leave New York?
Most Louisiana Waterthrushes have left New York by late June, when reports fall below half their usual rate.
When is the best time to see a Louisiana Waterthrush in New York?
The Louisiana Waterthrush is reported most often in mid April, on about 3.5% of New York checklists.
Where in New York are Louisiana Waterthrushes seen most often?
By county, Putnam County, Sullivan County, and Kings County have the highest peak reporting rates for the Louisiana Waterthrush (counties with at least 200 checklists).