WhenToBird

Spinus pinus · Fringillidae

When Do Pine Siskins Arrive in New Jersey?

Adult Pine Siskin
Photo: Dominique Bérubé, CC0 1.0 via iNaturalist

Pine Siskins mostly pass through New Jersey: the first show up in early October, they are common by the second week of October, peak in early November (6.7% of checklists), and most are gone by early December.

When to look

First arrivalsOct 1-7early October
Common byOct 8-14the second week of October
PeakNov 1-7early November
Most gone byDec 1-7early December

Best: early November. First arrivals early October; most are gone by early December. Peak: on about 6.7% of New Jersey checklists.

  1. Janrare
  2. Febrare
  3. Marrare
  4. Aprrare
  5. Mayrare
  6. Junnot usually seen
  7. Julnot usually seen
  8. Augnot usually seen
  9. Seprare
  10. Octpeak season
  11. Novpeak season
  12. Decuncommon

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

0%2%4%6%8%Jan 1-7: 0.8% of 28167 checklistsJan 8-14: 0.7% of 20583 checklistsJan 15-21: 0.8% of 19739 checklistsJan 22-31: 0.9% of 24586 checklistsFeb 1-7: 1.0% of 17226 checklistsFeb 8-14: 1.1% of 19567 checklistsFeb 15-21: 0.8% of 26553 checklistsFeb 22-28: 0.8% of 19046 checklistsMar 1-7: 1.0% of 17969 checklistsMar 8-14: 0.9% of 18976 checklistsMar 15-21: 0.7% of 18581 checklistsMar 22-31: 0.9% of 27590 checklistsApr 1-7: 0.8% of 21202 checklistsApr 8-14: 0.8% of 23609 checklistsApr 15-21: 0.9% of 25056 checklistsApr 22-30: 0.7% of 36679 checklistsMay 1-7: 0.5% of 38378 checklistsMay 8-14: 0.3% of 44071 checklistsMay 15-21: 0.2% of 34076 checklistsMay 22-31: 0.1% of 32558 checklistsJun 1-7: 0.1% of 18049 checklistsJun 8-14: 0.1% of 15597 checklistsJun 15-21: 0.1% of 14894 checklistsJun 22-30: 0.1% of 17187 checklistsJul 1-7: 0% of 13406 checklistsJul 8-14: 0% of 12550 checklistsJul 15-21: 0% of 12358 checklistsJul 22-31: 0% of 18382 checklistsAug 1-7: 0% of 13689 checklistsAug 8-14: 0% of 14006 checklistsAug 15-21: 0.1% of 14483 checklistsAug 22-31: 0.1% of 23182 checklistsSep 1-7: 0% of 17984 checklistsSep 8-14: 0% of 18320 checklistsSep 15-21: 0.1% of 20491 checklistsSep 22-30: 0.1% of 26176 checklistsOct 1-7: 0.8% of 24112 checklistsOct 8-14: 4.2% of 24603 checklistsOct 15-21: 4.1% of 24549 checklistsOct 22-31: 6.7% of 26206 checklistsNov 1-7: 7.3% of 17469 checklistsNov 8-14: 5.9% of 15102 checklistsNov 15-21: 4.4% of 14958 checklistsNov 22-30: 2.4% of 19447 checklistsDec 1-7: 2.4% of 14017 checklistsDec 8-14: 1.8% of 14625 checklistsDec 15-21: 1.2% of 16937 checklistsDec 22-31: 1.1% 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. Cape May CountyBest the second week of November · 2621 checklists that week, 189,832 in all10%
  2. Warren CountyBest the second week of November · 269 checklists that week, 20,077 in all9.8%
  3. Cumberland CountyBest mid November · 126 checklists that week, 13,927 in all9.4%
  4. Hunterdon CountyBest early November · 1055 checklists that week, 57,610 in all9.0%
  5. Somerset CountyBest late October · 1396 checklists that week, 58,057 in all8.9%
  6. Ocean CountyBest early November · 1303 checklists that week, 87,340 in all8.8%

Best spots

Share of checklists at the peak
  1. Wells Mills ParkOcean County, best early November · 43 checklists that week, 1,079 in all66%
  2. Higbee Beach Wildlife Management Area (north)Cape May County, best the second week of November · 36 checklists that week, 1,492 in all62%
  3. Cape May Point BeachCape May County, best late November · 105 checklists that week, 5,796 in all39%
  4. Lake Lily (Cape May Point)Cape May County, best the second week of November · 28 checklists that week, 1,952 in all36%
  5. Montclair SanctuaryEssex County, best early November · 25 checklists that week, 401 in all33%
  6. Franklin Parker PreserveBurlington County, best late November · 51 checklists that week, 1,063 in all32%

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

Best time of day

In New Jersey, the Pine Siskin is most often listed on checklists started between 6 and 8 am (2.0% of those checklists).

0%1%2%3%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: 2.0% of 50447 checklists7 am: 2.1% of 118312 checklists8 am: 1.6% of 123273 checklists9 am: 1.3% of 107783 checklists10 am: 1.2% of 97537 checklists11 am: 1.0% of 82427 checklists12 pm: 0.9% of 72581 checklists1 pm: 0.9% of 71478 checklists2 pm: 0.8% of 69994 checklists3 pm: 0.8% of 66822 checklists4 pm: 0.6% of 55950 checklists5 pm: 0.4% of 41360 checklists6 pm: 0.1% 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
January0.8%0.7%0.8%0.9%
February1.0%1.1%0.8%0.8%
March1.0%0.9%0.7%0.9%
April0.8%0.8%0.9%0.7%
May0.5%0.3%0.2%0.1%
June0.1%0.1%0.1%0.1%
July0%0%0%0%
August0%0%0.1%0.1%
September0%0%0.1%0.1%
October0.8%4.2%4.1%6.7%
November7.3%5.9%4.4%2.4%
December2.4%1.8%1.2%1.1%

Neighboring states

  • Delaware: arrives early October, in the same week than New Jersey
  • Connecticut: arrives early October, in the same week than New Jersey
  • Pennsylvania: arrives early October, in the same week than New Jersey
  • New York: arrives early October, in the same week than New Jersey

Common questions

When do Pine Siskins arrive in New Jersey?
Pine Siskins mostly pass through New Jersey: the first show up in early October, they are common by the second week of October, peak in early November (6.7% of checklists), and most are gone by early December.
When do Pine Siskins leave New Jersey?
Most Pine Siskins have left New Jersey by early December, when reports fall below half their usual rate. Stragglers are still reported until late December.
When is the best time to see a Pine Siskin in New Jersey?
The Pine Siskin is reported most often in early November, on about 6.7% of New Jersey checklists.
Where in New Jersey are Pine Siskins seen most often?
By county, Cape May County, Warren County, and Cumberland County have the highest peak reporting rates for the Pine Siskin (counties with at least 200 checklists).