When do wrens leave Wyoming?

Most Northern House Wrens have left Wyoming by late August, when reports fall below half their usual rate. Stragglers are still reported until late September.

When is the best time to see wrens in Wyoming?

The Northern House Wren is reported most often in late May, on about 18% of Wyoming checklists.

Which wrens are in Wyoming?

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

2 wren species in Wyoming

When Do Wrens Arrive in Wyoming?

Northern House Wrens and Marsh Wrens are the wrens you are most likely to see in Wyoming. Northern House Wrens reach Wyoming in late April, are common by early May, peak in late May (18% of checklists), and most are gone by late August.

When to look

First arrivalsApr 22-30late April

Common byMay 1-7early May

PeakMay 22-31late May

Most gone byAug 22-31late August

Best: late May. First arrivals late April; most are gone by late August. Peak: on about 18% of Wyoming checklists.

Jannot usually seen
Febnot usually seen
Marnot usually seen
Apruncommon
Maypeak season
Junpeak season
Julpeak season
Augcommon
Sepuncommon
Octrare
Novnot usually seen
Decnot usually seen

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

Wrens in Wyoming, species by species

Species	First arrivals	Common by	Peak	Most gone by	Peak %
Northern House Wren	Apr 22-30	May 1-7	May 22-31	Aug 22-31	18%
Marsh Wren	Mar 22-31	Apr 1-7	Apr 22-30	Oct 1-7	5.7%

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 Wyoming 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 Wyoming

Best counties for Northern House Wren

Share of checklists at the peak

Sheridan CountyBest late May · 352 checklists that week, 6,459 in all46%
Converse CountyBest late May · 213 checklists that week, 3,460 in all44%
Crook CountyBest late June · 216 checklists that week, 3,915 in all40%
Campbell CountyBest early September · 74 checklists that week, 2,801 in all38%
Goshen CountyBest mid May · 156 checklists that week, 1,920 in all38%
Platte CountyBest mid May · 83 checklists that week, 1,645 in all37%

All wrens in Wyoming

4 species are reported regularly: 3 are summer visitors and 1 are winter visitors.

#	Species	Pattern	First arrivals	Peak	Peak %
1	Northern House Wren	Summer visitor	Apr 22-30	May 22-31	18%
2	Marsh Wren	Summer visitor	Mar 22-31	Apr 22-30	5.7%
3	Rock Wren	Summer visitor	Apr 22-30	Jun 15-21	5.1%
4	American Dipper	Winter visitor	May 1-7	Jan 8-14	4.3%

Common questions

When do wrens arrive in Wyoming?: Northern House Wrens reach Wyoming in late April, are common by early May, peak in late May (18% of checklists), and most are gone by late August.
When do wrens leave Wyoming?: Most Northern House Wrens have left Wyoming by late August, when reports fall below half their usual rate. Stragglers are still reported until late September.
When is the best time to see wrens in Wyoming?: The Northern House Wren is reported most often in late May, on about 18% of Wyoming checklists.
Which wrens are in Wyoming?: Northern House Wren and Marsh Wren are reported regularly; the Northern House Wren is the most common.