WhenToBird

Zonotrichia albicollis · Passerellidae

When Do White-throated Sparrows Arrive in New Mexico?

Adult White-throated Sparrow
Photo: northerly, CC BY 4.0 via iNaturalist

White-throated Sparrows are winter birds in New Mexico: the first arrive in the second week of October, they are common by mid October, peak in early December (3.6% of checklists), and most are gone by late April.

When to look

First arrivalsOct 8-14the second week of October
Common byOct 15-21mid October
PeakDec 1-7early December
Most gone byApr 22-30late April

Best: early December. First arrivals the second week of October; most are gone by late April. Peak: on about 3.6% of New Mexico checklists.

  1. Janpeak season
  2. Febcommon
  3. Marcommon
  4. Aprcommon
  5. Mayuncommon
  6. Junnot usually seen
  7. Julnot usually seen
  8. Augnot usually seen
  9. Sepnot usually seen
  10. Octcommon
  11. Novpeak season
  12. Decpeak season

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

0%2%4%6%Jan 1-7: 3.3% of 11827 checklistsJan 8-14: 3.5% of 9370 checklistsJan 15-21: 2.9% of 9561 checklistsJan 22-31: 3.1% of 12707 checklistsFeb 1-7: 2.7% of 9365 checklistsFeb 8-14: 2.1% of 10141 checklistsFeb 15-21: 1.8% of 12431 checklistsFeb 22-28: 2.3% of 9159 checklistsMar 1-7: 2.3% of 9348 checklistsMar 8-14: 2.1% of 9704 checklistsMar 15-21: 1.8% of 9896 checklistsMar 22-31: 2.2% of 14679 checklistsApr 1-7: 1.9% of 11145 checklistsApr 8-14: 2.2% of 11939 checklistsApr 15-21: 2.0% of 12885 checklistsApr 22-30: 1.5% of 17935 checklistsMay 1-7: 0.8% of 15202 checklistsMay 8-14: 0.3% of 16604 checklistsMay 15-21: 0.1% of 12720 checklistsMay 22-31: 0.1% of 16699 checklistsJun 1-7: 0.1% of 9889 checklistsJun 8-14: 0% of 9322 checklistsJun 15-21: 0% of 8341 checklistsJun 22-30: 0% of 10562 checklistsJul 1-7: 0% of 9036 checklistsJul 8-14: 0% of 8461 checklistsJul 15-21: 0% of 8585 checklistsJul 22-31: 0% of 11800 checklistsAug 1-7: 0% of 8289 checklistsAug 8-14: 0% of 8882 checklistsAug 15-21: 0% of 9136 checklistsAug 22-31: 0% of 12662 checklistsSep 1-7: 0.1% of 9936 checklistsSep 8-14: 0% of 9581 checklistsSep 15-21: 0.1% of 9355 checklistsSep 22-30: 0.1% of 12402 checklistsOct 1-7: 0.3% of 9467 checklistsOct 8-14: 1.1% of 10279 checklistsOct 15-21: 1.9% of 8990 checklistsOct 22-31: 2.3% of 11986 checklistsNov 1-7: 2.8% of 8461 checklistsNov 8-14: 3.0% of 8801 checklistsNov 15-21: 3.7% of 8616 checklistsNov 22-30: 3.0% of 11088 checklistsDec 1-7: 4.0% of 8444 checklistsDec 8-14: 3.9% of 8575 checklistsDec 15-21: 3.0% of 10958 checklistsDec 22-31: 3.3% 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. Eddy CountyBest late November · 252 checklists that week, 11,011 in all23%
  2. Sierra CountyBest the second week of December · 375 checklists that week, 13,458 in all10%
  3. Roosevelt CountyBest mid October · 87 checklists that week, 4,563 in all9.0%
  4. McKinley CountyBest late January · 39 checklists that week, 2,545 in all8.5%
  5. De Baca CountyBest early November · 28 checklists that week, 2,203 in all8.3%
  6. Socorro CountyBest mid January · 755 checklists that week, 33,508 in all7.4%

Best spots

Share of checklists at the peak
  1. Carlsbad Caverns National ParkEddy County, best early December · 92 checklists that week, 2,740 in all54%
  2. Percha Dam State ParkSierra County, best the second week of December · 44 checklists that week, 1,881 in all47%
  3. Montano Southwest BosqueBernalillo County, best late December · 219 checklists that week, 6,997 in all39%
  4. Bosque (north)Bernalillo County, best mid December · 51 checklists that week, 1,846 in all36%

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

Best time of day

In New Mexico, the White-throated Sparrow is most often listed on checklists started between 7 and 9 am (2.0% of those checklists).

0%1%2%3%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: 1.2% of 29677 checklists7 am: 1.8% of 71785 checklists8 am: 2.1% of 79208 checklists9 am: 1.7% of 61605 checklists10 am: 1.5% of 49588 checklists11 am: 1.4% of 38079 checklists12 pm: 1.3% of 31089 checklists1 pm: 1.3% of 27524 checklists2 pm: 1.5% of 26644 checklists3 pm: 1.3% of 26849 checklists4 pm: 0.9% of 25156 checklists5 pm: 0.4% of 19061 checklists6 pm: 0.2% 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
January3.3%3.5%2.9%3.1%
February2.7%2.1%1.8%2.3%
March2.3%2.1%1.8%2.2%
April1.9%2.2%2.0%1.5%
May0.8%0.3%0.1%0.1%
June0.1%0%0%0%
July0%0%0%0%
August0%0%0%0%
September0.1%0%0.1%0.1%
October0.3%1.1%1.9%2.3%
November2.8%3.0%3.7%3.0%
December4.0%3.9%3.0%3.3%

Neighboring states

  • Arizona: arrives late October, 2 weeks later than New Mexico
  • Colorado: arrives late September, 2 weeks earlier than New Mexico
  • Utah: arrives late September, 2 weeks earlier than New Mexico
  • Oklahoma: arrives the second week of October, in the same week than New Mexico

Common questions

When do White-throated Sparrows arrive in New Mexico?
White-throated Sparrows are winter birds in New Mexico: the first arrive in the second week of October, they are common by mid October, peak in early December (3.6% of checklists), and most are gone by late April.
When do White-throated Sparrows leave New Mexico?
Most White-throated Sparrows have left New Mexico by late April, when reports fall below half their usual rate.
When is the best time to see a White-throated Sparrow in New Mexico?
The White-throated Sparrow is reported most often in early December, on about 3.6% of New Mexico checklists.
Where in New Mexico are White-throated Sparrows seen most often?
By county, Eddy County, Sierra County, and Roosevelt County have the highest peak reporting rates for the White-throated Sparrow (counties with at least 200 checklists).