WhenToBird

Salpinctes obsoletus · Troglodytidae

When Do Rock Wrens Arrive in New Mexico?

Adult Rock Wren
Photo: Chris Acree, CC BY-SA 4.0 via iNaturalist

Rock Wrens reach New Mexico in late February, are common by the second week of March, peak in late June (5.8% of checklists), and most are gone by mid December.

When to look

First arrivalsFeb 22-28late February
Common byMar 8-14the second week of March
PeakJun 22-30late June
Most gone byDec 15-21mid December

Best: late June. First arrivals late February; most are gone by mid December. Peak: on about 5.8% of New Mexico checklists.

  1. Jancommon
  2. Febuncommon
  3. Marcommon
  4. Aprpeak season
  5. Maypeak season
  6. Junpeak season
  7. Julpeak season
  8. Augcommon
  9. Seppeak season
  10. Octpeak season
  11. Novcommon
  12. Deccommon

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

0%2%4%6%8%Jan 1-7: 2.3% of 11827 checklistsJan 8-14: 2.4% of 9370 checklistsJan 15-21: 1.9% of 9561 checklistsJan 22-31: 2.1% of 12707 checklistsFeb 1-7: 1.8% of 9365 checklistsFeb 8-14: 1.8% of 10141 checklistsFeb 15-21: 2.2% of 12431 checklistsFeb 22-28: 2.2% of 9159 checklistsMar 1-7: 2.4% of 9348 checklistsMar 8-14: 3.1% of 9704 checklistsMar 15-21: 3.4% of 9896 checklistsMar 22-31: 3.9% of 14679 checklistsApr 1-7: 4.6% of 11145 checklistsApr 8-14: 5.3% of 11939 checklistsApr 15-21: 5.9% of 12885 checklistsApr 22-30: 5.2% of 17935 checklistsMay 1-7: 5.0% of 15202 checklistsMay 8-14: 4.9% of 16604 checklistsMay 15-21: 5.0% of 12720 checklistsMay 22-31: 5.3% of 16699 checklistsJun 1-7: 5.7% of 9889 checklistsJun 8-14: 5.4% of 9322 checklistsJun 15-21: 6.2% of 8341 checklistsJun 22-30: 5.5% of 10562 checklistsJul 1-7: 5.8% of 9036 checklistsJul 8-14: 5.1% of 8461 checklistsJul 15-21: 4.3% of 8585 checklistsJul 22-31: 4.1% of 11800 checklistsAug 1-7: 3.6% of 8289 checklistsAug 8-14: 3.4% of 8882 checklistsAug 15-21: 3.3% of 9136 checklistsAug 22-31: 3.7% of 12662 checklistsSep 1-7: 4.7% of 9936 checklistsSep 8-14: 4.6% of 9581 checklistsSep 15-21: 4.9% of 9355 checklistsSep 22-30: 4.8% of 12402 checklistsOct 1-7: 5.4% of 9467 checklistsOct 8-14: 4.9% of 10279 checklistsOct 15-21: 3.7% of 8990 checklistsOct 22-31: 4.0% of 11986 checklistsNov 1-7: 3.5% of 8461 checklistsNov 8-14: 4.1% of 8801 checklistsNov 15-21: 3.5% of 8616 checklistsNov 22-30: 3.3% of 11088 checklistsDec 1-7: 2.6% of 8444 checklistsDec 8-14: 3.2% of 8575 checklistsDec 15-21: 3.2% of 10958 checklistsDec 22-31: 2.8% of 14523 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 New Mexico 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 New Mexico

Best counties

Share of checklists at the peak
  1. Sierra CountyBest late June · 158 checklists that week, 13,458 in all28%
  2. Harding CountyBest late September · 28 checklists that week, 932 in all25%
  3. De Baca CountyBest the second week of December · 27 checklists that week, 2,203 in all25%
  4. Eddy CountyBest early November · 148 checklists that week, 11,011 in all23%
  5. Union CountyBest late April · 80 checklists that week, 2,373 in all21%
  6. Luna CountyBest the second week of November · 83 checklists that week, 3,814 in all19%

Best spots

Share of checklists at the peak
  1. Piedras Marcadas CanyonBernalillo County, best late March · 22 checklists that week, 361 in all93%
  2. Rinconada CanyonBernalillo County, best mid April · 23 checklists that week, 890 in all89%
  3. HillsboroSierra County, best late June · 35 checklists that week, 1,041 in all77%
  4. Carlsbad Caverns National Park (Oak Spring)Eddy County, best the second week of October · 24 checklists that week, 482 in all71%
  5. Elephant Butte Lake State ParkSierra County, best the second week of October · 24 checklists that week, 1,158 in all70%

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

Best time of day

In New Mexico, the Rock 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 (186) to judge1 am: too few checklists (180) to judge2 am: too few checklists (172) to judge3 am: too few checklists (183) to judge4 am: too few checklists (527) to judge5 am: too few checklists (4013) to judge6 am: 6.5% of 29677 checklists7 am: 5.1% of 71785 checklists8 am: 4.4% of 79208 checklists9 am: 4.4% of 61605 checklists10 am: 4.1% of 49588 checklists11 am: 4.1% of 38079 checklists12 pm: 3.4% of 31089 checklists1 pm: 3.3% of 27524 checklists2 pm: 2.9% of 26644 checklists3 pm: 2.5% of 26849 checklists4 pm: 2.4% of 25156 checklists5 pm: 2.3% of 19061 checklists6 pm: 2.4% of 15112 checklists7 pm: too few checklists (9040) to judge8 pm: too few checklists (2738) to judge9 pm: too few checklists (736) to judge10 pm: too few checklists (384) to judge11 pm: too few checklists (208) 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
January2.3%2.4%1.9%2.1%
February1.8%1.8%2.2%2.2%
March2.4%3.1%3.4%3.9%
April4.6%5.3%5.9%5.2%
May5.0%4.9%5.0%5.3%
June5.7%5.4%6.2%5.5%
July5.8%5.1%4.3%4.1%
August3.6%3.4%3.3%3.7%
September4.7%4.6%4.9%4.8%
October5.4%4.9%3.7%4.0%
November3.5%4.1%3.5%3.3%
December2.6%3.2%3.2%2.8%

Neighboring states

  • Arizona: arrives mid September, 21 weeks earlier than New Mexico
  • Colorado: arrives the second week of April, 6 weeks later than New Mexico
  • Utah: arrives mid January, 5 weeks earlier than New Mexico
  • Wyoming: arrives late April, 8 weeks later than New Mexico

Common questions

When do Rock Wrens arrive in New Mexico?
Rock Wrens reach New Mexico in late February, are common by the second week of March, peak in late June (5.8% of checklists), and most are gone by mid December.
When do Rock Wrens leave New Mexico?
Most Rock Wrens have left New Mexico by mid December, when reports fall below half their usual rate. Stragglers are still reported until mid January.
When is the best time to see a Rock Wren in New Mexico?
The Rock Wren is reported most often in late June, on about 5.8% of New Mexico checklists.
Where in New Mexico are Rock Wrens seen most often?
By county, Sierra County, Harding County, and De Baca County have the highest peak reporting rates for the Rock Wren (counties with at least 200 checklists).