WhenToBird

Troglodytes aedon · Troglodytidae

When Do Northern House Wrens Arrive in Utah?

Northern House Wrens reach Utah in the second week of April, are common by late April, peak in mid June (8.1% of checklists), and most are gone by mid September.

When to look

First arrivalsApr 8-14the second week of April
Common byApr 22-30late April
PeakJun 15-21mid June
Most gone bySep 15-21mid September

Best: mid June. First arrivals the second week of April; most are gone by mid September. Peak: on about 8.1% of Utah checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marrare
  4. Apruncommon
  5. Maypeak season
  6. Junpeak season
  7. Julpeak season
  8. Augcommon
  9. Sepcommon
  10. Octuncommon
  11. Novnot usually seen
  12. Decnot usually seen

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

0%5%10%Jan 1-7: 0.1% of 10857 checklistsJan 8-14: 0.1% of 8333 checklistsJan 15-21: 0.1% of 8360 checklistsJan 22-31: 0.1% of 10516 checklistsFeb 1-7: 0.1% of 7416 checklistsFeb 8-14: 0.1% of 8082 checklistsFeb 15-21: 0.1% of 9643 checklistsFeb 22-28: 0.1% of 7960 checklistsMar 1-7: 0.1% of 7998 checklistsMar 8-14: 0.1% of 8581 checklistsMar 15-21: 0.1% of 8637 checklistsMar 22-31: 0.3% of 13006 checklistsApr 1-7: 0.5% of 10562 checklistsApr 8-14: 1.2% of 11694 checklistsApr 15-21: 1.4% of 11382 checklistsApr 22-30: 2.9% of 16626 checklistsMay 1-7: 4.3% of 13523 checklistsMay 8-14: 5.4% of 14714 checklistsMay 15-21: 5.8% of 13711 checklistsMay 22-31: 6.8% of 16546 checklistsJun 1-7: 8.3% of 10284 checklistsJun 8-14: 7.7% of 9530 checklistsJun 15-21: 7.9% of 8854 checklistsJun 22-30: 8.7% of 10566 checklistsJul 1-7: 7.5% of 7987 checklistsJul 8-14: 6.8% of 7471 checklistsJul 15-21: 5.4% of 7240 checklistsJul 22-31: 4.4% of 9329 checklistsAug 1-7: 3.8% of 6521 checklistsAug 8-14: 2.8% of 6423 checklistsAug 15-21: 3.2% of 6208 checklistsAug 22-31: 5.0% of 9089 checklistsSep 1-7: 5.3% of 7081 checklistsSep 8-14: 4.3% of 7306 checklistsSep 15-21: 2.9% of 7208 checklistsSep 22-30: 2.1% of 8876 checklistsOct 1-7: 1.6% of 7265 checklistsOct 8-14: 0.8% of 7226 checklistsOct 15-21: 0.6% of 7007 checklistsOct 22-31: 0.2% of 8443 checklistsNov 1-7: 0.2% of 6711 checklistsNov 8-14: 0.2% of 6290 checklistsNov 15-21: 0.2% of 6169 checklistsNov 22-30: 0.2% of 8228 checklistsDec 1-7: 0.1% of 6011 checklistsDec 8-14: 0.1% of 6044 checklistsDec 15-21: 0.1% of 6721 checklistsDec 22-31: 0.2% of 9982 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 Utah 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 Utah

Best counties

Share of checklists at the peak
  1. Morgan CountyBest mid June · 95 checklists that week, 3,178 in all29%
  2. Piute CountyBest late June · 54 checklists that week, 1,035 in all23%
  3. Rich CountyBest late June · 111 checklists that week, 1,563 in all22%
  4. Wasatch CountyBest late May · 409 checklists that week, 7,780 in all20%
  5. Daggett CountyBest the second week of June · 81 checklists that week, 1,885 in all20%
  6. Summit CountyBest late May · 445 checklists that week, 13,829 in all19%

Best spots

Share of checklists at the peak
  1. Yellow Fork CanyonSalt Lake County, best the second week of June · 27 checklists that week, 817 in all78%
  2. Vickory CanyonTooele County, best late May · 20 checklists that week, 155 in all67%
  3. Zion National Park (Pine Creek)Washington County, best late April · 42 checklists that week, 613 in all62%
  4. Dinosaur National MonumentUintah County, best early June · 23 checklists that week, 263 in all59%
  5. North Fork Virgin RiverWashington County, best early May · 26 checklists that week, 887 in all58%

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

Best time of day

In Utah, the Northern House Wren is most often listed on checklists started between 6 and 8 am (5.5% of those checklists).

0%2%4%6%8%12 am: too few checklists (242) to judge1 am: too few checklists (178) to judge2 am: too few checklists (169) to judge3 am: too few checklists (162) to judge4 am: too few checklists (284) to judge5 am: too few checklists (1984) to judge6 am: 7.2% of 11714 checklists7 am: 4.9% of 33209 checklists8 am: 3.7% of 46944 checklists9 am: 3.4% of 46290 checklists10 am: 2.8% of 43144 checklists11 am: 2.3% of 36893 checklists12 pm: 1.9% of 32758 checklists1 pm: 1.7% of 30142 checklists2 pm: 1.6% of 29414 checklists3 pm: 1.4% of 29491 checklists4 pm: 1.3% of 29154 checklists5 pm: 2.0% of 22256 checklists6 pm: 2.7% of 17383 checklists7 pm: 2.6% of 13099 checklists8 pm: too few checklists (6647) to judge9 pm: too few checklists (1753) to judge10 pm: too few checklists (599) to judge11 pm: too few checklists (307) 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
January0.1%0.1%0.1%0.1%
February0.1%0.1%0.1%0.1%
March0.1%0.1%0.1%0.3%
April0.5%1.2%1.4%2.9%
May4.3%5.4%5.8%6.8%
June8.3%7.7%7.9%8.7%
July7.5%6.8%5.4%4.4%
August3.8%2.8%3.2%5.0%
September5.3%4.3%2.9%2.1%
October1.6%0.8%0.6%0.2%
November0.2%0.2%0.2%0.2%
December0.1%0.1%0.1%0.2%

Neighboring states

  • Wyoming: arrives late April, 2 weeks later than Utah
  • Nevada: arrives late March, 2 weeks earlier than Utah
  • Colorado: arrives mid April, 1 week later than Utah
  • Idaho: arrives mid April, 1 week later than Utah

Common questions

When do Northern House Wrens arrive in Utah?
Northern House Wrens reach Utah in the second week of April, are common by late April, peak in mid June (8.1% of checklists), and most are gone by mid September.
When do Northern House Wrens leave Utah?
Most Northern House Wrens have left Utah by mid September, when reports fall below half their usual rate. Stragglers are still reported until the second week of October.
When is the best time to see a Northern House Wren in Utah?
The Northern House Wren is reported most often in mid June, on about 8.1% of Utah checklists.
Where in Utah are Northern House Wrens seen most often?
By county, Morgan County, Piute County, and Rich County have the highest peak reporting rates for the Northern House Wren (counties with at least 200 checklists).