WhenToBird

4 wren species in New Jersey

When Do Wrens Arrive in New Jersey?

Adult Carolina Wren
Photo: northerly, CC BY 4.0 via iNaturalist

Carolina Wrens, Northern House Wrens, and Marsh Wrens are the wrens you are most likely to see in New Jersey. The Carolina Wren is in New Jersey all year. It turns up on about 45% of checklists at its peak (mid September) and on 28% in its quietest week (the second week of January).

When to look

PresentAll year
Peak weekSep 15-21mid September
Quietest weekJan 8-14the second week of January

Best: mid September. Here all year. Peak: on about 45% of New Jersey checklists.

  1. Jancommon
  2. Febcommon
  3. Marpeak season
  4. Aprpeak season
  5. Maypeak season
  6. Junpeak season
  7. Julpeak season
  8. Augpeak season
  9. Seppeak season
  10. Octpeak season
  11. Novpeak season
  12. Decpeak season

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

Wrens in New Jersey, species by species

SpeciesFirst arrivalsCommon byPeakMost gone byPeak %
Carolina Wrenall year–Sep 15-21–45%
Northern House WrenApr 8-14Apr 15-21May 8-14Sep 22-3029%
Marsh WrenApr 15-21May 1-7Jul 15-21Aug 15-218.1%
Winter WrenOct 1-7Oct 1-7Nov 22-30Apr 8-146.2%
0%20%40%60%Carolina WrenNorthern House WrenMarsh WrenWinter WrenJanFebMarAprMayJunJulAugSepOctNovDec
  • Carolina Wren
  • Northern House Wren
  • Marsh Wren
  • Winter Wren
Share of complete checklists reporting each species, by week (4 per month). Gaps: fewer than 10 checklists that week.

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.

Where in New Jersey

Best counties for Carolina Wren

Share of checklists at the peak
  1. Burlington CountyBest late September · 1085 checklists that week, 52,358 in all67%
  2. Gloucester CountyBest late April · 1347 checklists that week, 36,378 in all63%
  3. Salem CountyBest late April · 342 checklists that week, 9,658 in all58%
  4. Hunterdon CountyBest late September · 1208 checklists that week, 57,610 in all57%
  5. Camden CountyBest late April · 977 checklists that week, 25,931 in all56%
  6. Cape May CountyBest the second week of December · 1816 checklists that week, 189,832 in all54%

All wrens in New Jersey

4 species are reported regularly: 1 stay all year, 2 are summer visitors, and 1 are winter visitors.

#SpeciesPatternThrough the yearFirst arrivalsPeakPeak %
1Carolina WrenYear-roundall yearSep 15-2145%
2Northern House WrenSummer visitorApr 8-14May 8-1429%
3Marsh WrenSummer visitorApr 15-21Jul 15-218.1%
4Winter WrenWinter visitorOct 1-7Nov 22-306.2%

Common questions

When do wrens arrive in New Jersey?
The Carolina Wren is in New Jersey all year. It turns up on about 45% of checklists at its peak (mid September) and on 28% in its quietest week (the second week of January).
When do wrens leave New Jersey?
The Carolina Wren does not leave New Jersey: it is reported all year, from 28% of checklists in the second week of January to 45% in mid September.
When is the best time to see wrens in New Jersey?
The Carolina Wren is reported most often in mid September, on about 45% of New Jersey checklists.
Which wrens are in New Jersey?
Carolina Wren, Northern House Wren, Marsh Wren, and Winter Wren are reported regularly; the Carolina Wren is the most common.