WhenToBird

Sitta carolinensis · Sittidae

When Do White-breasted Nuthatches Arrive in New Jersey?

Adult White-breasted Nuthatch
Photo: S Boisvert, CC BY 4.0 via iNaturalist

The White-breasted Nuthatch is in New Jersey all year. It turns up on about 30% of checklists at its peak (early December) and on 15% in its quietest week (late May).

When to look

PresentAll year
Peak weekDec 1-7early December
Quietest weekMay 22-31late May

Best: early December. Here all year. Peak: on about 30% of New Jersey checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marpeak season
  4. Aprpeak season
  5. Maycommon
  6. Juncommon
  7. Julcommon
  8. Augpeak season
  9. Seppeak season
  10. Octpeak season
  11. Novpeak season
  12. Decpeak season

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

0%10%20%30%40%Jan 1-7: 24% of 28167 checklistsJan 8-14: 25% of 20583 checklistsJan 15-21: 25% of 19739 checklistsJan 22-31: 26% of 24586 checklistsFeb 1-7: 27% of 17226 checklistsFeb 8-14: 27% of 19567 checklistsFeb 15-21: 27% of 26553 checklistsFeb 22-28: 25% of 19046 checklistsMar 1-7: 26% of 17969 checklistsMar 8-14: 27% of 18976 checklistsMar 15-21: 27% of 18581 checklistsMar 22-31: 27% of 27590 checklistsApr 1-7: 26% of 21202 checklistsApr 8-14: 25% of 23609 checklistsApr 15-21: 24% of 25056 checklistsApr 22-30: 24% of 36679 checklistsMay 1-7: 21% of 38378 checklistsMay 8-14: 18% of 44071 checklistsMay 15-21: 15% of 34076 checklistsMay 22-31: 15% of 32558 checklistsJun 1-7: 16% of 18049 checklistsJun 8-14: 19% of 15597 checklistsJun 15-21: 21% of 14894 checklistsJun 22-30: 21% of 17187 checklistsJul 1-7: 22% of 13406 checklistsJul 8-14: 20% of 12550 checklistsJul 15-21: 19% of 12358 checklistsJul 22-31: 18% of 18382 checklistsAug 1-7: 19% of 13689 checklistsAug 8-14: 20% of 14006 checklistsAug 15-21: 20% of 14483 checklistsAug 22-31: 24% of 23182 checklistsSep 1-7: 26% of 17984 checklistsSep 8-14: 26% of 18320 checklistsSep 15-21: 25% of 20491 checklistsSep 22-30: 23% of 26176 checklistsOct 1-7: 23% of 24112 checklistsOct 8-14: 24% of 24603 checklistsOct 15-21: 25% of 24549 checklistsOct 22-31: 28% of 26206 checklistsNov 1-7: 29% of 17469 checklistsNov 8-14: 31% of 15102 checklistsNov 15-21: 30% of 14958 checklistsNov 22-30: 30% of 19447 checklistsDec 1-7: 30% of 14017 checklistsDec 8-14: 31% of 14625 checklistsDec 15-21: 30% of 16937 checklistsDec 22-31: 28% of 26651 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 Jersey 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 Jersey

Best counties

Share of checklists at the peak
  1. Hunterdon CountyBest late September · 1208 checklists that week, 57,610 in all55%
  2. Morris CountyBest the second week of September · 938 checklists that week, 59,212 in all53%
  3. Somerset CountyBest the second week of September · 1095 checklists that week, 58,057 in all52%
  4. Warren CountyBest early October · 283 checklists that week, 20,077 in all51%
  5. Sussex CountyBest mid September · 493 checklists that week, 30,305 in all50%
  6. Passaic CountyBest late October · 535 checklists that week, 24,933 in all49%

Best spots

Share of checklists at the peak
  1. Hariton SanctuaryWarren County, best the second week of October · 26 checklists that week, 411 in all94%
  2. Scherman Hoffman Wildlife PresserveSomerset County, best the second week of December · 20 checklists that week, 1,964 in all94%
  3. Wells Mills ParkOcean County, best the second week of November · 26 checklists that week, 1,079 in all92%
  4. Ingersoll Reservoir (northeast)Warren County, best the second week of March · 50 checklists that week, 586 in all92%
  5. Swan PondPassaic County, best the second week of September · 22 checklists that week, 1,014 in all92%
  6. Baldpate MountainMercer County, best early September · 34 checklists that week, 1,816 in all91%

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

Best time of day

In New Jersey, the White-breasted Nuthatch is most often listed on checklists started between 6 and 8 am (33% of those checklists).

0%10%20%30%40%12 am: too few checklists (746) to judge1 am: too few checklists (640) to judge2 am: too few checklists (606) to judge3 am: too few checklists (755) to judge4 am: too few checklists (1681) to judge5 am: too few checklists (11258) to judge6 am: 31% of 50447 checklists7 am: 34% of 118312 checklists8 am: 32% of 123273 checklists9 am: 27% of 107783 checklists10 am: 23% of 97537 checklists11 am: 21% of 82427 checklists12 pm: 20% of 72581 checklists1 pm: 20% of 71478 checklists2 pm: 19% of 69994 checklists3 pm: 19% of 66822 checklists4 pm: 17% of 55950 checklists5 pm: 17% of 41360 checklists6 pm: 14% of 28122 checklists7 pm: too few checklists (14727) to judge8 pm: too few checklists (4257) to judge9 pm: too few checklists (1273) to judge10 pm: too few checklists (920) to judge11 pm: too few checklists (693) 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
January24%25%25%26%
February27%27%27%25%
March26%27%27%27%
April26%25%24%24%
May21%18%15%15%
June16%19%21%21%
July22%20%19%18%
August19%20%20%24%
September26%26%25%23%
October23%24%25%28%
November29%31%30%30%
December30%31%30%28%

Neighboring states

  • Delaware: all year, most in fall, peaks the second week of September
  • Connecticut: year-round, peaks the second week of October
  • Pennsylvania: year-round, peaks late September
  • New York: year-round, peaks mid October

Common questions

When do White-breasted Nuthatches arrive in New Jersey?
The White-breasted Nuthatch is in New Jersey all year. It turns up on about 30% of checklists at its peak (early December) and on 15% in its quietest week (late May).
When do White-breasted Nuthatches leave New Jersey?
The White-breasted Nuthatch does not leave New Jersey: it is reported all year, from 15% of checklists in late May to 30% in early December.
When is the best time to see a White-breasted Nuthatch in New Jersey?
The White-breasted Nuthatch is reported most often in early December, on about 30% of New Jersey checklists.
Where in New Jersey are White-breasted Nuthatches seen most often?
By county, Hunterdon County, Morris County, and Somerset County have the highest peak reporting rates for the White-breasted Nuthatch (counties with at least 200 checklists).