WhenToBird

Amphispiza bilineata · Passerellidae

When Do Black-throated Sparrows Arrive in Texas?

Adult Black-throated Sparrow
Photo: jubileej, CC0 1.0 via iNaturalist

The Black-throated Sparrow is in Texas all year. It turns up on about 2.2% of checklists at its peak (early June) and on 0.9% in its quietest week (early October).

When to look

PresentAll year
Peak weekJun 1-7early June
Quietest weekOct 1-7early October

Best: early June. Here all year. Peak: on about 2.2% of Texas checklists.

  1. Jancommon
  2. Febcommon
  3. Marcommon
  4. Aprpeak season
  5. Maypeak season
  6. Junpeak season
  7. Julpeak season
  8. Augpeak season
  9. Sepcommon
  10. Octcommon
  11. Novcommon
  12. Deccommon

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

0%1%2%3%Jan 1-7: 1.2% of 66038 checklistsJan 8-14: 1.1% of 52445 checklistsJan 15-21: 1.2% of 52985 checklistsJan 22-31: 1.1% of 71020 checklistsFeb 1-7: 1.6% of 52306 checklistsFeb 8-14: 1.4% of 55887 checklistsFeb 15-21: 1.3% of 69016 checklistsFeb 22-28: 1.5% of 52998 checklistsMar 1-7: 1.4% of 50836 checklistsMar 8-14: 1.7% of 51749 checklistsMar 15-21: 1.7% of 53731 checklistsMar 22-31: 1.5% of 82049 checklistsApr 1-7: 1.7% of 65854 checklistsApr 8-14: 1.4% of 78434 checklistsApr 15-21: 1.4% of 92302 checklistsApr 22-30: 1.7% of 122878 checklistsMay 1-7: 1.9% of 74592 checklistsMay 8-14: 1.8% of 61008 checklistsMay 15-21: 1.9% of 43365 checklistsMay 22-31: 2.4% of 52736 checklistsJun 1-7: 2.1% of 31643 checklistsJun 8-14: 2.0% of 30131 checklistsJun 15-21: 1.8% of 26802 checklistsJun 22-30: 1.9% of 32822 checklistsJul 1-7: 1.6% of 27213 checklistsJul 8-14: 1.7% of 24555 checklistsJul 15-21: 1.7% of 24146 checklistsJul 22-31: 1.5% of 34536 checklistsAug 1-7: 1.5% of 25764 checklistsAug 8-14: 1.8% of 26347 checklistsAug 15-21: 1.9% of 28431 checklistsAug 22-31: 2.0% of 42838 checklistsSep 1-7: 1.3% of 35070 checklistsSep 8-14: 1.2% of 33893 checklistsSep 15-21: 1.0% of 32572 checklistsSep 22-30: 0.9% of 43771 checklistsOct 1-7: 0.9% of 34143 checklistsOct 8-14: 0.9% of 37563 checklistsOct 15-21: 1.0% of 36263 checklistsOct 22-31: 1.2% of 49170 checklistsNov 1-7: 1.1% of 43301 checklistsNov 8-14: 1.2% of 48744 checklistsNov 15-21: 1.2% of 42213 checklistsNov 22-30: 1.2% of 54455 checklistsDec 1-7: 1.2% of 40166 checklistsDec 8-14: 1.4% of 41035 checklistsDec 15-21: 1.2% of 46983 checklistsDec 22-31: 1.2% of 73015 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 Texas 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 Texas

Best counties

Share of checklists at the peak
  1. Duval CountyBest early June · 14 checklists that week, 1,580 in all63%
  2. Terrell CountyBest the second week of July · 13 checklists that week, 1,174 in all51%
  3. Kimble CountyBest late July · 147 checklists that week, 12,009 in all50%
  4. Crockett CountyBest the second week of November · 20 checklists that week, 1,558 in all45%
  5. Llano CountyBest the second week of August · 68 checklists that week, 4,799 in all42%
  6. Edwards CountyBest late June · 39 checklists that week, 1,141 in all40%

Best spots

Share of checklists at the peak
  1. Blue Creek CanyonBrewster County, best late April · 48 checklists that week, 197 in all88%
  2. Franklin Mountains State ParkEl Paso County, best late December · 20 checklists that week, 340 in all81%
  3. Enchanted Rock State Natural Area (north)Llano County, best late December · 22 checklists that week, 442 in all76%
  4. South Llano River State ParkKimble County, best mid January · 27 checklists that week, 3,293 in all73%
  5. Franklin Mountains State Park (north)El Paso County, best late December · 27 checklists that week, 277 in all71%

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

Best time of day

In Texas, the Black-throated Sparrow is most often listed on checklists started between 7 and 9 am (1.8% of those checklists).

0%0.5%1%1.5%2%12 am: too few checklists (898) to judge1 am: too few checklists (756) to judge2 am: too few checklists (663) to judge3 am: too few checklists (741) to judge4 am: too few checklists (1537) to judge5 am: too few checklists (6113) to judge6 am: 1.5% of 74687 checklists7 am: 1.8% of 285131 checklists8 am: 1.8% of 329960 checklists9 am: 1.7% of 267889 checklists10 am: 1.6% of 218205 checklists11 am: 1.4% of 178879 checklists12 pm: 1.2% of 153722 checklists1 pm: 1.2% of 144662 checklists2 pm: 1.2% of 138578 checklists3 pm: 1.1% of 136878 checklists4 pm: 1.2% of 137550 checklists5 pm: 1.1% of 113599 checklists6 pm: 1.2% of 81743 checklists7 pm: 1.3% of 53396 checklists8 pm: too few checklists (17221) to judge9 pm: too few checklists (4048) to judge10 pm: too few checklists (1965) to judge11 pm: too few checklists (990) 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
January1.2%1.1%1.2%1.1%
February1.6%1.4%1.3%1.5%
March1.4%1.7%1.7%1.5%
April1.7%1.4%1.4%1.7%
May1.9%1.8%1.9%2.4%
June2.1%2.0%1.8%1.9%
July1.6%1.7%1.7%1.5%
August1.5%1.8%1.9%2.0%
September1.3%1.2%1.0%0.9%
October0.9%0.9%1.0%1.2%
November1.1%1.2%1.2%1.2%
December1.2%1.4%1.2%1.2%

Neighboring states

  • New Mexico: all year, most in spring, peaks late July
  • Arizona: year-round, peaks the second week of August
  • Utah: summer visitor, peaks early June
  • Nevada: summer visitor, peaks the second week of June

Common questions

When do Black-throated Sparrows arrive in Texas?
The Black-throated Sparrow is in Texas all year. It turns up on about 2.2% of checklists at its peak (early June) and on 0.9% in its quietest week (early October).
When do Black-throated Sparrows leave Texas?
The Black-throated Sparrow does not leave Texas: it is reported all year, from 0.9% of checklists in early October to 2.2% in early June.
When is the best time to see a Black-throated Sparrow in Texas?
The Black-throated Sparrow is reported most often in early June, on about 2.2% of Texas checklists.
Where in Texas are Black-throated Sparrows seen most often?
By county, Duval County, Terrell County, and Kimble County have the highest peak reporting rates for the Black-throated Sparrow (counties with at least 200 checklists).