WhenToBird

Catherpes mexicanus · Troglodytidae

When Do Canyon Wrens Arrive in Arizona?

Adult Canyon Wren
Photo: Jo Roberts, CC BY 4.0 via iNaturalist

Canyon Wrens are in Arizona all year, but most are here in summer: numbers build from late June, peak in early August (5.9% of checklists), and fall back by early September. In the quietest week (late January) they are still on about 2.2% of checklists.

When to look

Numbers buildJun 22-30late June
PeakAug 1-7early August
Fall back bySep 1-7early September
FewestJan 22-31late January

Best: early August. Here all year; numbers build from late June and fall back by early September. Peak: on about 5.9% of Arizona checklists.

  1. Jancommon
  2. Febcommon
  3. Marcommon
  4. Aprcommon
  5. Maycommon
  6. Juncommon
  7. Julpeak season
  8. Augpeak season
  9. Seppeak season
  10. Octcommon
  11. Novcommon
  12. Deccommon

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

0%2%4%6%8%Jan 1-7: 2.5% of 34758 checklistsJan 8-14: 2.4% of 29835 checklistsJan 15-21: 2.0% of 29279 checklistsJan 22-31: 2.2% of 39716 checklistsFeb 1-7: 2.3% of 27299 checklistsFeb 8-14: 2.5% of 28703 checklistsFeb 15-21: 2.5% of 35357 checklistsFeb 22-28: 2.8% of 29889 checklistsMar 1-7: 3.3% of 29932 checklistsMar 8-14: 3.5% of 32982 checklistsMar 15-21: 3.5% of 34731 checklistsMar 22-31: 3.6% of 50213 checklistsApr 1-7: 3.7% of 35788 checklistsApr 8-14: 3.6% of 38087 checklistsApr 15-21: 3.3% of 41520 checklistsApr 22-30: 3.3% of 55218 checklistsMay 1-7: 3.6% of 39688 checklistsMay 8-14: 3.8% of 39398 checklistsMay 15-21: 3.9% of 29562 checklistsMay 22-31: 3.6% of 36774 checklistsJun 1-7: 3.6% of 21313 checklistsJun 8-14: 3.6% of 19129 checklistsJun 15-21: 3.4% of 17922 checklistsJun 22-30: 4.3% of 21188 checklistsJul 1-7: 4.4% of 17325 checklistsJul 8-14: 5.2% of 16463 checklistsJul 15-21: 5.4% of 18642 checklistsJul 22-31: 5.8% of 31215 checklistsAug 1-7: 6.0% of 28163 checklistsAug 8-14: 5.9% of 31329 checklistsAug 15-21: 5.6% of 23878 checklistsAug 22-31: 5.1% of 28508 checklistsSep 1-7: 4.5% of 20878 checklistsSep 8-14: 3.6% of 19671 checklistsSep 15-21: 3.1% of 19859 checklistsSep 22-30: 3.1% of 25179 checklistsOct 1-7: 2.9% of 19420 checklistsOct 8-14: 3.3% of 21925 checklistsOct 15-21: 3.6% of 20995 checklistsOct 22-31: 3.3% of 29258 checklistsNov 1-7: 3.4% of 21269 checklistsNov 8-14: 3.0% of 22753 checklistsNov 15-21: 2.8% of 21982 checklistsNov 22-30: 2.7% of 29475 checklistsDec 1-7: 2.7% of 20810 checklistsDec 8-14: 2.8% of 22229 checklistsDec 15-21: 2.8% of 25148 checklistsDec 22-31: 2.7% of 39567 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 Arizona 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 Arizona

Best counties

Share of checklists at the peak
  1. Greenlee CountyBest late July · 72 checklists that week, 2,745 in all16%
  2. La Paz CountyBest late June · 67 checklists that week, 7,279 in all11%
  3. Gila CountyBest the second week of March · 292 checklists that week, 14,834 in all9.8%
  4. Pinal CountyBest mid March · 1017 checklists that week, 40,036 in all9.2%
  5. Cochise CountyBest late August · 4815 checklists that week, 190,093 in all9.0%
  6. Coconino CountyBest early August · 1650 checklists that week, 90,870 in all8.0%

Best spots

Share of checklists at the peak
  1. Tonto National Forest (northeast)Maricopa County, best early September · 40 checklists that week, 729 in all73%
  2. Hunter SpringCochise County, best mid August · 27 checklists that week, 261 in all70%
  3. Kentuck SpringMaricopa County, best late December · 34 checklists that week, 462 in all69%
  4. Coronado National Forest (Devils Cash Box)Santa Cruz County, best mid March · 61 checklists that week, 2,933 in all67%
  5. Tonto National Forest (Seven Springs)Maricopa County, best late December · 20 checklists that week, 104 in all66%

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

Best time of day

In Arizona, the Canyon Wren is most often listed on checklists started between 5 and 7 am (5.3% of those checklists).

0%2%4%6%12 am: too few checklists (488) to judge1 am: too few checklists (503) to judge2 am: too few checklists (489) to judge3 am: too few checklists (735) to judge4 am: too few checklists (4115) to judge5 am: 5.4% of 38350 checklists6 am: 5.2% of 118786 checklists7 am: 4.4% of 183415 checklists8 am: 4.5% of 187346 checklists9 am: 3.9% of 151342 checklists10 am: 3.4% of 124522 checklists11 am: 3.0% of 97088 checklists12 pm: 2.7% of 78110 checklists1 pm: 2.5% of 73059 checklists2 pm: 2.2% of 68912 checklists3 pm: 2.0% of 68060 checklists4 pm: 1.7% of 69387 checklists5 pm: 1.7% of 52951 checklists6 pm: 2.3% of 31061 checklists7 pm: too few checklists (16076) to judge8 pm: too few checklists (5352) to judge9 pm: too few checklists (2369) to judge10 pm: too few checklists (1100) to judge11 pm: too few checklists (604) 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
January2.5%2.4%2.0%2.2%
February2.3%2.5%2.5%2.8%
March3.3%3.5%3.5%3.6%
April3.7%3.6%3.3%3.3%
May3.6%3.8%3.9%3.6%
June3.6%3.6%3.4%4.3%
July4.4%5.2%5.4%5.8%
August6.0%5.9%5.6%5.1%
September4.5%3.6%3.1%3.1%
October2.9%3.3%3.6%3.3%
November3.4%3.0%2.8%2.7%
December2.7%2.8%2.8%2.7%

Neighboring states

  • New Mexico: arrives late February, 16 weeks earlier than Arizona
  • Nevada: arrives the second week of January, 22 weeks earlier than Arizona
  • Utah: arrives mid January, 21 weeks earlier than Arizona
  • California: arrives the second week of October, 14 weeks later than Arizona

Common questions

When do Canyon Wrens arrive in Arizona?
Canyon Wrens are in Arizona all year, but most are here in summer: numbers build from late June, peak in early August (5.9% of checklists), and fall back by early September. In the quietest week (late January) they are still on about 2.2% of checklists.
When do Canyon Wrens leave Arizona?
Canyon Wrens never fully leave Arizona: numbers fall back below half their usual rate by early September, but some are still reported in every week, about 2.2% of checklists at the low.
When is the best time to see a Canyon Wren in Arizona?
The Canyon Wren is reported most often in early August, on about 5.9% of Arizona checklists.
Where in Arizona are Canyon Wrens seen most often?
By county, Greenlee County, La Paz County, and Gila County have the highest peak reporting rates for the Canyon Wren (counties with at least 200 checklists).