When do wrens leave North Dakota?

Most Northern House Wrens have left North Dakota by the second week of September, when reports fall below half their usual rate. Stragglers are still reported until early October.

When is the best time to see wrens in North Dakota?

The Northern House Wren is reported most often in late May, on about 32% of North Dakota checklists.

Which wrens are in North Dakota?

Northern House Wren and Marsh Wren are reported regularly; the Northern House Wren is the most common.

2 wren species in North Dakota

When Do Wrens Arrive in North Dakota?

Northern House Wrens and Marsh Wrens are the wrens you are most likely to see in North Dakota. Northern House Wrens reach North Dakota in early May, are common by the second week of May, peak in late May (32% of checklists), and most are gone by the second week of September.

When to look

First arrivalsMay 1-7early May

Common byMay 8-14the second week of May

PeakMay 22-31late May

Most gone bySep 8-14the second week of September

Best: late May. First arrivals early May; most are gone by the second week of September. Peak: on about 32% of North Dakota checklists.

Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprnot usually seen
Maypeak season
Junpeak season
Julpeak season
Augcommon
Sepcommon
Octrare
Novnot usually seen
Decnot usually seen

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

Wrens in North Dakota, species by species

Species	First arrivals	Common by	Peak	Most gone by	Peak %
Northern House Wren	May 1-7	May 8-14	May 22-31	Sep 8-14	32%
Marsh Wren	May 1-7	May 22-31	Jul 8-14	Aug 1-7	15%

Northern House Wren
Marsh 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 North Dakota 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 North Dakota

Best counties for Northern House Wren

Share of checklists at the peak

Steele CountyBest late June · 136 checklists that week, 6,291 in all79%
Bottineau CountyBest late August · 96 checklists that week, 1,949 in all67%
Sioux CountyBest early September · 18 checklists that week, 340 in all60%
Sargent CountyBest mid July · 20 checklists that week, 894 in all59%
Traill CountyBest the second week of June · 15 checklists that week, 764 in all58%
Wells CountyBest mid August · 11 checklists that week, 416 in all56%

All wrens in North Dakota

4 species are reported regularly: 4 are summer visitors.

#	Species	Pattern	First arrivals	Peak	Peak %
1	Northern House Wren	Summer visitor	May 1-7	May 22-31	32%
2	Marsh Wren	Summer visitor	May 1-7	Jul 8-14	15%
3	Sedge Wren	Summer visitor	May 8-14	Jul 1-7	7.4%
4	Rock Wren	Summer visitor	May 15-21	Jul 1-7	2.2%

Common questions

When do wrens arrive in North Dakota?: Northern House Wrens reach North Dakota in early May, are common by the second week of May, peak in late May (32% of checklists), and most are gone by the second week of September.
When do wrens leave North Dakota?: Most Northern House Wrens have left North Dakota by the second week of September, when reports fall below half their usual rate. Stragglers are still reported until early October.
When is the best time to see wrens in North Dakota?: The Northern House Wren is reported most often in late May, on about 32% of North Dakota checklists.
Which wrens are in North Dakota?: Northern House Wren and Marsh Wren are reported regularly; the Northern House Wren is the most common.